Finding the Third Proportional to 52,612.50 and 81,774

Step by Step Solution

1. Step 1: Write the proportion equation
   52,612.50 : 81,774 = 81,774 : x
2. Step 2: Convert to fraction form
   52,612.50/81,774 = 81,774/x
3. Step 3: Cross multiply
   52,612.50x = 81,774 × 81,774
4. Step 4: Simplify right side
   52,612.50x = 6,686,987,076
5. Step 5: Solve for x
   x = 6,686,987,076/52,612.50
6. Step 6: Final answer
   x = 127,098.83