Finding the Third Proportional to 171,061.50 and 251,347.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,061.50 : 251,347.50 = 251,347.50 : x
2. Step 2: Convert to fraction form
   171,061.50/251,347.50 = 251,347.50/x
3. Step 3: Cross multiply
   171,061.50x = 251,347.50 × 251,347.50
4. Step 4: Simplify right side
   171,061.50x = 63,175,565,756.25
5. Step 5: Solve for x
   x = 63,175,565,756.25/171,061.50
6. Step 6: Final answer
   x = 369,314.93