Finding the Third Proportional to 58,915.50 and 91,370.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,915.50 : 91,370.25 = 91,370.25 : x
2. Step 2: Convert to fraction form
   58,915.50/91,370.25 = 91,370.25/x
3. Step 3: Cross multiply
   58,915.50x = 91,370.25 × 91,370.25
4. Step 4: Simplify right side
   58,915.50x = 8,348,522,585.06
5. Step 5: Solve for x
   x = 8,348,522,585.06/58,915.50
6. Step 6: Final answer
   x = 141,703.33