Finding the Third Proportional to 31,822 and 73,979

Step by Step Solution

1. Step 1: Write the proportion equation
   31,822 : 73,979 = 73,979 : x
2. Step 2: Convert to fraction form
   31,822/73,979 = 73,979/x
3. Step 3: Cross multiply
   31,822x = 73,979 × 73,979
4. Step 4: Simplify right side
   31,822x = 5,472,892,441
5. Step 5: Solve for x
   x = 5,472,892,441/31,822
6. Step 6: Final answer
   x = 171,984.55