Finding the Third Proportional to 67,280 and 141,531

Step by Step Solution

1. Step 1: Write the proportion equation
   67,280 : 141,531 = 141,531 : x
2. Step 2: Convert to fraction form
   67,280/141,531 = 141,531/x
3. Step 3: Cross multiply
   67,280x = 141,531 × 141,531
4. Step 4: Simplify right side
   67,280x = 20,031,023,961
5. Step 5: Solve for x
   x = 20,031,023,961/67,280
6. Step 6: Final answer
   x = 297,726.28