Finding the Third Proportional to 55,096.88 and 81,835.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,096.88 : 81,835.31 = 81,835.31 : x
2. Step 2: Convert to fraction form
   55,096.88/81,835.31 = 81,835.31/x
3. Step 3: Cross multiply
   55,096.88x = 81,835.31 × 81,835.31
4. Step 4: Simplify right side
   55,096.88x = 6,697,018,371.97
5. Step 5: Solve for x
   x = 6,697,018,371.97/55,096.88
6. Step 6: Final answer
   x = 121,549.88