Finding the Third Proportional to 3,703,208 and 8,115,472

Step by Step Solution

1. Step 1: Write the proportion equation
   3,703,208 : 8,115,472 = 8,115,472 : x
2. Step 2: Convert to fraction form
   3,703,208/8,115,472 = 8,115,472/x
3. Step 3: Cross multiply
   3,703,208x = 8,115,472 × 8,115,472
4. Step 4: Simplify right side
   3,703,208x = 65,860,885,782,784
5. Step 5: Solve for x
   x = 65,860,885,782,784/3,703,208
6. Step 6: Final answer
   x = 17,784,819.48