Finding the Third Proportional to 39,105,570 and 59,161,668

Step by Step Solution

1. Step 1: Write the proportion equation
   39,105,570 : 59,161,668 = 59,161,668 : x
2. Step 2: Convert to fraction form
   39,105,570/59,161,668 = 59,161,668/x
3. Step 3: Cross multiply
   39,105,570x = 59,161,668 × 59,161,668
4. Step 4: Simplify right side
   39,105,570x = 3,500,102,960,542,224
5. Step 5: Solve for x
   x = 3,500,102,960,542,224/39,105,570
6. Step 6: Final answer
   x = 89,503,949.45