Finding the Third Proportional to 26,939.25 and 42,487.88

Step by Step Solution

1. Step 1: Write the proportion equation
   26,939.25 : 42,487.88 = 42,487.88 : x
2. Step 2: Convert to fraction form
   26,939.25/42,487.88 = 42,487.88/x
3. Step 3: Cross multiply
   26,939.25x = 42,487.88 × 42,487.88
4. Step 4: Simplify right side
   26,939.25x = 1,805,219,522.02
5. Step 5: Solve for x
   x = 1,805,219,522.02/26,939.25
6. Step 6: Final answer
   x = 67,010.76