Finding the Third Proportional to 14,674.50 and 31,426.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,674.50 : 31,426.31 = 31,426.31 : x
2. Step 2: Convert to fraction form
   14,674.50/31,426.31 = 31,426.31/x
3. Step 3: Cross multiply
   14,674.50x = 31,426.31 × 31,426.31
4. Step 4: Simplify right side
   14,674.50x = 987,613,117.35
5. Step 5: Solve for x
   x = 987,613,117.35/14,674.50
6. Step 6: Final answer
   x = 67,301.31