Finding the Third Proportional to 171,696 and 252,403.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,696 : 252,403.50 = 252,403.50 : x
2. Step 2: Convert to fraction form
   171,696/252,403.50 = 252,403.50/x
3. Step 3: Cross multiply
   171,696x = 252,403.50 × 252,403.50
4. Step 4: Simplify right side
   171,696x = 63,707,526,812.25
5. Step 5: Solve for x
   x = 63,707,526,812.25/171,696
6. Step 6: Final answer
   x = 371,048.40