Finding the Third Proportional to 26,842.50 and 60,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   26,842.50 : 60,644.50 = 60,644.50 : x
2. Step 2: Convert to fraction form
   26,842.50/60,644.50 = 60,644.50/x
3. Step 3: Cross multiply
   26,842.50x = 60,644.50 × 60,644.50
4. Step 4: Simplify right side
   26,842.50x = 3,677,755,380.25
5. Step 5: Solve for x
   x = 3,677,755,380.25/26,842.50
6. Step 6: Final answer
   x = 137,012.40