Finding the Third Proportional to 173,853 and 248,142.75

Step by Step Solution

1. Step 1: Write the proportion equation
   173,853 : 248,142.75 = 248,142.75 : x
2. Step 2: Convert to fraction form
   173,853/248,142.75 = 248,142.75/x
3. Step 3: Cross multiply
   173,853x = 248,142.75 × 248,142.75
4. Step 4: Simplify right side
   173,853x = 61,574,824,377.56
5. Step 5: Solve for x
   x = 61,574,824,377.56/173,853
6. Step 6: Final answer
   x = 354,177.52