Finding the Third Proportional to 26,357.25 and 42,155.25

Step by Step Solution

1. Step 1: Write the proportion equation
   26,357.25 : 42,155.25 = 42,155.25 : x
2. Step 2: Convert to fraction form
   26,357.25/42,155.25 = 42,155.25/x
3. Step 3: Cross multiply
   26,357.25x = 42,155.25 × 42,155.25
4. Step 4: Simplify right side
   26,357.25x = 1,777,065,102.56
5. Step 5: Solve for x
   x = 1,777,065,102.56/26,357.25
6. Step 6: Final answer
   x = 67,422.25