Finding the Third Proportional to 121,498.10 and 182,272.78

Step by Step Solution

1. Step 1: Write the proportion equation
   121,498.10 : 182,272.78 = 182,272.78 : x
2. Step 2: Convert to fraction form
   121,498.10/182,272.78 = 182,272.78/x
3. Step 3: Cross multiply
   121,498.10x = 182,272.78 × 182,272.78
4. Step 4: Simplify right side
   121,498.10x = 33,223,366,784.61
5. Step 5: Solve for x
   x = 33,223,366,784.61/121,498.10
6. Step 6: Final answer
   x = 273,447.62