Finding the Third Proportional to 173,854.50 and 248,145

Step by Step Solution

1. Step 1: Write the proportion equation
   173,854.50 : 248,145 = 248,145 : x
2. Step 2: Convert to fraction form
   173,854.50/248,145 = 248,145/x
3. Step 3: Cross multiply
   173,854.50x = 248,145 × 248,145
4. Step 4: Simplify right side
   173,854.50x = 61,575,941,025
5. Step 5: Solve for x
   x = 61,575,941,025/173,854.50
6. Step 6: Final answer
   x = 354,180.89