Finding the Third Proportional to 118,128.38 and 179,377.88

Step by Step Solution

1. Step 1: Write the proportion equation
   118,128.38 : 179,377.88 = 179,377.88 : x
2. Step 2: Convert to fraction form
   118,128.38/179,377.88 = 179,377.88/x
3. Step 3: Cross multiply
   118,128.38x = 179,377.88 × 179,377.88
4. Step 4: Simplify right side
   118,128.38x = 32,176,422,039.52
5. Step 5: Solve for x
   x = 32,176,422,039.52/118,128.38
6. Step 6: Final answer
   x = 272,385.21