Finding the Third Proportional to 8,739,828.50 and 13,231,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,739,828.50 : 13,231,124.50 = 13,231,124.50 : x
2. Step 2: Convert to fraction form
   8,739,828.50/13,231,124.50 = 13,231,124.50/x
3. Step 3: Cross multiply
   8,739,828.50x = 13,231,124.50 × 13,231,124.50
4. Step 4: Simplify right side
   8,739,828.50x = 175,062,655,534,500.25
5. Step 5: Solve for x
   x = 175,062,655,534,500.25/8,739,828.50
6. Step 6: Final answer
   x = 20,030,445.17