Finding the Third Proportional to 171,726 and 252,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,726 : 252,442.50 = 252,442.50 : x
2. Step 2: Convert to fraction form
   171,726/252,442.50 = 252,442.50/x
3. Step 3: Cross multiply
   171,726x = 252,442.50 × 252,442.50
4. Step 4: Simplify right side
   171,726x = 63,727,215,806.25
5. Step 5: Solve for x
   x = 63,727,215,806.25/171,726
6. Step 6: Final answer
   x = 371,098.24