Finding the Third Proportional to 31,386 and 43,992

Step by Step Solution

1. Step 1: Write the proportion equation
   31,386 : 43,992 = 43,992 : x
2. Step 2: Convert to fraction form
   31,386/43,992 = 43,992/x
3. Step 3: Cross multiply
   31,386x = 43,992 × 43,992
4. Step 4: Simplify right side
   31,386x = 1,935,296,064
5. Step 5: Solve for x
   x = 1,935,296,064/31,386
6. Step 6: Final answer
   x = 61,661.12