Finding the Third Proportional to 26,951.50 and 42,407.50

Step by Step Solution

1. Step 1: Write the proportion equation
   26,951.50 : 42,407.50 = 42,407.50 : x
2. Step 2: Convert to fraction form
   26,951.50/42,407.50 = 42,407.50/x
3. Step 3: Cross multiply
   26,951.50x = 42,407.50 × 42,407.50
4. Step 4: Simplify right side
   26,951.50x = 1,798,396,056.25
5. Step 5: Solve for x
   x = 1,798,396,056.25/26,951.50
6. Step 6: Final answer
   x = 66,727.12