Finding the Third Proportional to 8,985,655 and 19,681,760.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,985,655 : 19,681,760.50 = 19,681,760.50 : x
2. Step 2: Convert to fraction form
   8,985,655/19,681,760.50 = 19,681,760.50/x
3. Step 3: Cross multiply
   8,985,655x = 19,681,760.50 × 19,681,760.50
4. Step 4: Simplify right side
   8,985,655x = 387,371,696,379,360.25
5. Step 5: Solve for x
   x = 387,371,696,379,360.25/8,985,655
6. Step 6: Final answer
   x = 43,110,012.17