Finding the Third Proportional to 26,515.50 and 56,677.50

Step by Step Solution

1. Step 1: Write the proportion equation
   26,515.50 : 56,677.50 = 56,677.50 : x
2. Step 2: Convert to fraction form
   26,515.50/56,677.50 = 56,677.50/x
3. Step 3: Cross multiply
   26,515.50x = 56,677.50 × 56,677.50
4. Step 4: Simplify right side
   26,515.50x = 3,212,339,006.25
5. Step 5: Solve for x
   x = 3,212,339,006.25/26,515.50
6. Step 6: Final answer
   x = 121,149.48