Finding the Third Proportional to 60,426.28 and 131,605.31

Step by Step Solution

1. Step 1: Write the proportion equation
   60,426.28 : 131,605.31 = 131,605.31 : x
2. Step 2: Convert to fraction form
   60,426.28/131,605.31 = 131,605.31/x
3. Step 3: Cross multiply
   60,426.28x = 131,605.31 × 131,605.31
4. Step 4: Simplify right side
   60,426.28x = 17,319,958,278.22
5. Step 5: Solve for x
   x = 17,319,958,278.22/60,426.28
6. Step 6: Final answer
   x = 286,629.56