Finding the Third Proportional to 26,872.50 and 56,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   26,872.50 : 56,947.50 = 56,947.50 : x
2. Step 2: Convert to fraction form
   26,872.50/56,947.50 = 56,947.50/x
3. Step 3: Cross multiply
   26,872.50x = 56,947.50 × 56,947.50
4. Step 4: Simplify right side
   26,872.50x = 3,243,017,756.25
5. Step 5: Solve for x
   x = 3,243,017,756.25/26,872.50
6. Step 6: Final answer
   x = 120,681.65