Finding the Third Proportional to 3,549,265 and 7,720,398

Step by Step Solution

1. Step 1: Write the proportion equation
   3,549,265 : 7,720,398 = 7,720,398 : x
2. Step 2: Convert to fraction form
   3,549,265/7,720,398 = 7,720,398/x
3. Step 3: Cross multiply
   3,549,265x = 7,720,398 × 7,720,398
4. Step 4: Simplify right side
   3,549,265x = 59,604,545,278,404
5. Step 5: Solve for x
   x = 59,604,545,278,404/3,549,265
6. Step 6: Final answer
   x = 16,793,489.72