Finding the Third Proportional to 31,381 and 43,892

Step by Step Solution

1. Step 1: Write the proportion equation
   31,381 : 43,892 = 43,892 : x
2. Step 2: Convert to fraction form
   31,381/43,892 = 43,892/x
3. Step 3: Cross multiply
   31,381x = 43,892 × 43,892
4. Step 4: Simplify right side
   31,381x = 1,926,507,664
5. Step 5: Solve for x
   x = 1,926,507,664/31,381
6. Step 6: Final answer
   x = 61,390.89