Finding the Third Proportional to 58,114.50 and 89,799.75

Step by Step Solution

1. Step 1: Write the proportion equation
   58,114.50 : 89,799.75 = 89,799.75 : x
2. Step 2: Convert to fraction form
   58,114.50/89,799.75 = 89,799.75/x
3. Step 3: Cross multiply
   58,114.50x = 89,799.75 × 89,799.75
4. Step 4: Simplify right side
   58,114.50x = 8,063,995,100.06
5. Step 5: Solve for x
   x = 8,063,995,100.06/58,114.50
6. Step 6: Final answer
   x = 138,760.47