Finding the Third Proportional to 26,608.50 and 42,869.25

Step by Step Solution

1. Step 1: Write the proportion equation
   26,608.50 : 42,869.25 = 42,869.25 : x
2. Step 2: Convert to fraction form
   26,608.50/42,869.25 = 42,869.25/x
3. Step 3: Cross multiply
   26,608.50x = 42,869.25 × 42,869.25
4. Step 4: Simplify right side
   26,608.50x = 1,837,772,595.56
5. Step 5: Solve for x
   x = 1,837,772,595.56/26,608.50
6. Step 6: Final answer
   x = 69,067.13