Finding the Third Proportional to 55,498.50 and 81,141.75

Step by Step Solution

1. Step 1: Write the proportion equation
   55,498.50 : 81,141.75 = 81,141.75 : x
2. Step 2: Convert to fraction form
   55,498.50/81,141.75 = 81,141.75/x
3. Step 3: Cross multiply
   55,498.50x = 81,141.75 × 81,141.75
4. Step 4: Simplify right side
   55,498.50x = 6,583,983,593.06
5. Step 5: Solve for x
   x = 6,583,983,593.06/55,498.50
6. Step 6: Final answer
   x = 118,633.54