Finding the Third Proportional to 118,128.38 and 181,566.56

Step by Step Solution

1. Step 1: Write the proportion equation
   118,128.38 : 181,566.56 = 181,566.56 : x
2. Step 2: Convert to fraction form
   118,128.38/181,566.56 = 181,566.56/x
3. Step 3: Cross multiply
   118,128.38x = 181,566.56 × 181,566.56
4. Step 4: Simplify right side
   118,128.38x = 32,966,416,618.07
5. Step 5: Solve for x
   x = 32,966,416,618.07/118,128.38
6. Step 6: Final answer
   x = 279,072.80