Finding the Third Proportional to 55,525.50 and 81,213.89

Step by Step Solution

1. Step 1: Write the proportion equation
   55,525.50 : 81,213.89 = 81,213.89 : x
2. Step 2: Convert to fraction form
   55,525.50/81,213.89 = 81,213.89/x
3. Step 3: Cross multiply
   55,525.50x = 81,213.89 × 81,213.89
4. Step 4: Simplify right side
   55,525.50x = 6,595,696,030.45
5. Step 5: Solve for x
   x = 6,595,696,030.45/55,525.50
6. Step 6: Final answer
   x = 118,786.79