Finding the Third Proportional to 31,753 and 67,880

Step by Step Solution

1. Step 1: Write the proportion equation
   31,753 : 67,880 = 67,880 : x
2. Step 2: Convert to fraction form
   31,753/67,880 = 67,880/x
3. Step 3: Cross multiply
   31,753x = 67,880 × 67,880
4. Step 4: Simplify right side
   31,753x = 4,607,694,400
5. Step 5: Solve for x
   x = 4,607,694,400/31,753
6. Step 6: Final answer
   x = 145,110.52