Finding the Third Proportional to 15,440.25 and 31,427.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,440.25 : 31,427.25 = 31,427.25 : x
2. Step 2: Convert to fraction form
   15,440.25/31,427.25 = 31,427.25/x
3. Step 3: Cross multiply
   15,440.25x = 31,427.25 × 31,427.25
4. Step 4: Simplify right side
   15,440.25x = 987,672,042.56
5. Step 5: Solve for x
   x = 987,672,042.56/15,440.25
6. Step 6: Final answer
   x = 63,967.36