Finding the Third Proportional to 52,689.55 and 80,354.21

Step by Step Solution

1. Step 1: Write the proportion equation
   52,689.55 : 80,354.21 = 80,354.21 : x
2. Step 2: Convert to fraction form
   52,689.55/80,354.21 = 80,354.21/x
3. Step 3: Cross multiply
   52,689.55x = 80,354.21 × 80,354.21
4. Step 4: Simplify right side
   52,689.55x = 6,456,799,843.16
5. Step 5: Solve for x
   x = 6,456,799,843.16/52,689.55
6. Step 6: Final answer
   x = 122,544.22