Finding the Third Proportional to 58,759.88 and 89,517.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,759.88 : 89,517.25 = 89,517.25 : x
2. Step 2: Convert to fraction form
   58,759.88/89,517.25 = 89,517.25/x
3. Step 3: Cross multiply
   58,759.88x = 89,517.25 × 89,517.25
4. Step 4: Simplify right side
   58,759.88x = 8,013,338,047.56
5. Step 5: Solve for x
   x = 8,013,338,047.56/58,759.88
6. Step 6: Final answer
   x = 136,374.32