Finding the Third Proportional to 58,502.25 and 90,740.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,502.25 : 90,740.25 = 90,740.25 : x
2. Step 2: Convert to fraction form
   58,502.25/90,740.25 = 90,740.25/x
3. Step 3: Cross multiply
   58,502.25x = 90,740.25 × 90,740.25
4. Step 4: Simplify right side
   58,502.25x = 8,233,792,970.06
5. Step 5: Solve for x
   x = 8,233,792,970.06/58,502.25
6. Step 6: Final answer
   x = 140,743.18