Finding the Third Proportional to 3,732,480 and 8,188,128

Step by Step Solution

1. Step 1: Write the proportion equation
   3,732,480 : 8,188,128 = 8,188,128 : x
2. Step 2: Convert to fraction form
   3,732,480/8,188,128 = 8,188,128/x
3. Step 3: Cross multiply
   3,732,480x = 8,188,128 × 8,188,128
4. Step 4: Simplify right side
   3,732,480x = 67,045,440,144,384
5. Step 5: Solve for x
   x = 67,045,440,144,384/3,732,480
6. Step 6: Final answer
   x = 17,962,705.80