Finding the Third Proportional to 55,992.38 and 84,877.88

Step by Step Solution

1. Step 1: Write the proportion equation
   55,992.38 : 84,877.88 = 84,877.88 : x
2. Step 2: Convert to fraction form
   55,992.38/84,877.88 = 84,877.88/x
3. Step 3: Cross multiply
   55,992.38x = 84,877.88 × 84,877.88
4. Step 4: Simplify right side
   55,992.38x = 7,204,253,664.52
5. Step 5: Solve for x
   x = 7,204,253,664.52/55,992.38
6. Step 6: Final answer
   x = 128,664.91