Finding the Third Proportional to 172,110 and 247,886.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,110 : 247,886.50 = 247,886.50 : x
2. Step 2: Convert to fraction form
   172,110/247,886.50 = 247,886.50/x
3. Step 3: Cross multiply
   172,110x = 247,886.50 × 247,886.50
4. Step 4: Simplify right side
   172,110x = 61,447,716,882.25
5. Step 5: Solve for x
   x = 61,447,716,882.25/172,110
6. Step 6: Final answer
   x = 357,025.84