Finding the Third Proportional to 168,049.69 and 252,256.78

Step by Step Solution

1. Step 1: Write the proportion equation
   168,049.69 : 252,256.78 = 252,256.78 : x
2. Step 2: Convert to fraction form
   168,049.69/252,256.78 = 252,256.78/x
3. Step 3: Cross multiply
   168,049.69x = 252,256.78 × 252,256.78
4. Step 4: Simplify right side
   168,049.69x = 63,633,483,686.61
5. Step 5: Solve for x
   x = 63,633,483,686.61/168,049.69
6. Step 6: Final answer
   x = 378,658.74