Finding the Third Proportional to 53,493.38 and 82,787.63

Step by Step Solution

1. Step 1: Write the proportion equation
   53,493.38 : 82,787.63 = 82,787.63 : x
2. Step 2: Convert to fraction form
   53,493.38/82,787.63 = 82,787.63/x
3. Step 3: Cross multiply
   53,493.38x = 82,787.63 × 82,787.63
4. Step 4: Simplify right side
   53,493.38x = 6,853,790,853.14
5. Step 5: Solve for x
   x = 6,853,790,853.14/53,493.38
6. Step 6: Final answer
   x = 128,124.11