Finding the Third Proportional to 72,581.25 and 100,294.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,581.25 : 100,294.50 = 100,294.50 : x
2. Step 2: Convert to fraction form
   72,581.25/100,294.50 = 100,294.50/x
3. Step 3: Cross multiply
   72,581.25x = 100,294.50 × 100,294.50
4. Step 4: Simplify right side
   72,581.25x = 10,058,986,730.25
5. Step 5: Solve for x
   x = 10,058,986,730.25/72,581.25
6. Step 6: Final answer
   x = 138,589.33