Finding the Third Proportional to 173,856 and 248,146.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,856 : 248,146.50 = 248,146.50 : x
2. Step 2: Convert to fraction form
   173,856/248,146.50 = 248,146.50/x
3. Step 3: Cross multiply
   173,856x = 248,146.50 × 248,146.50
4. Step 4: Simplify right side
   173,856x = 61,576,685,462.25
5. Step 5: Solve for x
   x = 61,576,685,462.25/173,856
6. Step 6: Final answer
   x = 354,182.11