Finding the Third Proportional to 31,366.50 and 67,281

Step by Step Solution

1. Step 1: Write the proportion equation
   31,366.50 : 67,281 = 67,281 : x
2. Step 2: Convert to fraction form
   31,366.50/67,281 = 67,281/x
3. Step 3: Cross multiply
   31,366.50x = 67,281 × 67,281
4. Step 4: Simplify right side
   31,366.50x = 4,526,732,961
5. Step 5: Solve for x
   x = 4,526,732,961/31,366.50
6. Step 6: Final answer
   x = 144,317.44