Finding the Third Proportional to 31,452 and 68,732

Step by Step Solution

1. Step 1: Write the proportion equation
   31,452 : 68,732 = 68,732 : x
2. Step 2: Convert to fraction form
   31,452/68,732 = 68,732/x
3. Step 3: Cross multiply
   31,452x = 68,732 × 68,732
4. Step 4: Simplify right side
   31,452x = 4,724,087,824
5. Step 5: Solve for x
   x = 4,724,087,824/31,452
6. Step 6: Final answer
   x = 150,199.92