Finding the Third Proportional to 15,407.25 and 31,542.75

Step by Step Solution

1. Step 1: Write the proportion equation
   15,407.25 : 31,542.75 = 31,542.75 : x
2. Step 2: Convert to fraction form
   15,407.25/31,542.75 = 31,542.75/x
3. Step 3: Cross multiply
   15,407.25x = 31,542.75 × 31,542.75
4. Step 4: Simplify right side
   15,407.25x = 994,945,077.56
5. Step 5: Solve for x
   x = 994,945,077.56/15,407.25
6. Step 6: Final answer
   x = 64,576.42