Finding the Third Proportional to 173,917 and 248,117.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,917 : 248,117.50 = 248,117.50 : x
2. Step 2: Convert to fraction form
   173,917/248,117.50 = 248,117.50/x
3. Step 3: Cross multiply
   173,917x = 248,117.50 × 248,117.50
4. Step 4: Simplify right side
   173,917x = 61,562,293,806.25
5. Step 5: Solve for x
   x = 61,562,293,806.25/173,917
6. Step 6: Final answer
   x = 353,975.14