Finding the Third Proportional to 52,697.25 and 80,989.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,697.25 : 80,989.88 = 80,989.88 : x
2. Step 2: Convert to fraction form
   52,697.25/80,989.88 = 80,989.88/x
3. Step 3: Cross multiply
   52,697.25x = 80,989.88 × 80,989.88
4. Step 4: Simplify right side
   52,697.25x = 6,559,359,852.52
5. Step 5: Solve for x
   x = 6,559,359,852.52/52,697.25
6. Step 6: Final answer
   x = 124,472.53