Finding the Third Proportional to 31,283 and 67,600

Step by Step Solution

1. Step 1: Write the proportion equation
   31,283 : 67,600 = 67,600 : x
2. Step 2: Convert to fraction form
   31,283/67,600 = 67,600/x
3. Step 3: Cross multiply
   31,283x = 67,600 × 67,600
4. Step 4: Simplify right side
   31,283x = 4,569,760,000
5. Step 5: Solve for x
   x = 4,569,760,000/31,283
6. Step 6: Final answer
   x = 146,078.06