Finding the Third Proportional to 8,527,390.50 and 13,120,442.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,527,390.50 : 13,120,442.25 = 13,120,442.25 : x
2. Step 2: Convert to fraction form
   8,527,390.50/13,120,442.25 = 13,120,442.25/x
3. Step 3: Cross multiply
   8,527,390.50x = 13,120,442.25 × 13,120,442.25
4. Step 4: Simplify right side
   8,527,390.50x = 172,146,004,835,585.06
5. Step 5: Solve for x
   x = 172,146,004,835,585.06/8,527,390.50
6. Step 6: Final answer
   x = 20,187,418.98