Finding the Third Proportional to 9,058,969.50 and 13,720,389

Step by Step Solution

1. Step 1: Write the proportion equation
   9,058,969.50 : 13,720,389 = 13,720,389 : x
2. Step 2: Convert to fraction form
   9,058,969.50/13,720,389 = 13,720,389/x
3. Step 3: Cross multiply
   9,058,969.50x = 13,720,389 × 13,720,389
4. Step 4: Simplify right side
   9,058,969.50x = 188,249,074,311,321
5. Step 5: Solve for x
   x = 188,249,074,311,321/9,058,969.50
6. Step 6: Final answer
   x = 20,780,407.12