Finding the Third Proportional to 58,055.88 and 89,725.73

Step by Step Solution

1. Step 1: Write the proportion equation
   58,055.88 : 89,725.73 = 89,725.73 : x
2. Step 2: Convert to fraction form
   58,055.88/89,725.73 = 89,725.73/x
3. Step 3: Cross multiply
   58,055.88x = 89,725.73 × 89,725.73
4. Step 4: Simplify right side
   58,055.88x = 8,050,707,146.26
5. Step 5: Solve for x
   x = 8,050,707,146.26/58,055.88
6. Step 6: Final answer
   x = 138,671.69