Finding the Third Proportional to 3,689,108,489,828.50 and 8,116,025,774,281.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,689,108,489,828.50 : 8,116,025,774,281.50 = 8,116,025,774,281.50 : x
2. Step 2: Convert to fraction form
   3,689,108,489,828.50/8,116,025,774,281.50 = 8,116,025,774,281.50/x
3. Step 3: Cross multiply
   3,689,108,489,828.50x = 8,116,025,774,281.50 × 8,116,025,774,281.50
4. Step 4: Simplify right side
   3,689,108,489,828.50x = 65,869,874,368,801,625,868,337,152
5. Step 5: Solve for x
   x = 65,869,874,368,801,625,868,337,152/3,689,108,489,828.50
6. Step 6: Final answer
   x = 17,855,228,316,113.79