Finding the Third Proportional to 52,818.75 and 72,424.13

Step by Step Solution

1. Step 1: Write the proportion equation
   52,818.75 : 72,424.13 = 72,424.13 : x
2. Step 2: Convert to fraction form
   52,818.75/72,424.13 = 72,424.13/x
3. Step 3: Cross multiply
   52,818.75x = 72,424.13 × 72,424.13
4. Step 4: Simplify right side
   52,818.75x = 5,245,253,882.02
5. Step 5: Solve for x
   x = 5,245,253,882.02/52,818.75
6. Step 6: Final answer
   x = 99,306.66