Finding the Third Proportional to 31,328 and 65,732

Step by Step Solution

1. Step 1: Write the proportion equation
   31,328 : 65,732 = 65,732 : x
2. Step 2: Convert to fraction form
   31,328/65,732 = 65,732/x
3. Step 3: Cross multiply
   31,328x = 65,732 × 65,732
4. Step 4: Simplify right side
   31,328x = 4,320,695,824
5. Step 5: Solve for x
   x = 4,320,695,824/31,328
6. Step 6: Final answer
   x = 137,918.02