Finding the Third Proportional to 26,018.50 and 61,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   26,018.50 : 61,399.50 = 61,399.50 : x
2. Step 2: Convert to fraction form
   26,018.50/61,399.50 = 61,399.50/x
3. Step 3: Cross multiply
   26,018.50x = 61,399.50 × 61,399.50
4. Step 4: Simplify right side
   26,018.50x = 3,769,898,600.25
5. Step 5: Solve for x
   x = 3,769,898,600.25/26,018.50
6. Step 6: Final answer
   x = 144,893.00