Finding the Third Proportional to 61,360.50 and 129,282

Step by Step Solution

1. Step 1: Write the proportion equation
   61,360.50 : 129,282 = 129,282 : x
2. Step 2: Convert to fraction form
   61,360.50/129,282 = 129,282/x
3. Step 3: Cross multiply
   61,360.50x = 129,282 × 129,282
4. Step 4: Simplify right side
   61,360.50x = 16,713,835,524
5. Step 5: Solve for x
   x = 16,713,835,524/61,360.50
6. Step 6: Final answer
   x = 272,387.54