Finding the Third Proportional to 26,936.25 and 42,631.31

Step by Step Solution

1. Step 1: Write the proportion equation
   26,936.25 : 42,631.31 = 42,631.31 : x
2. Step 2: Convert to fraction form
   26,936.25/42,631.31 = 42,631.31/x
3. Step 3: Cross multiply
   26,936.25x = 42,631.31 × 42,631.31
4. Step 4: Simplify right side
   26,936.25x = 1,817,428,805.47
5. Step 5: Solve for x
   x = 1,817,428,805.47/26,936.25
6. Step 6: Final answer
   x = 67,471.49