Finding the Third Proportional to 163,614 and 251,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,614 : 251,401.50 = 251,401.50 : x
2. Step 2: Convert to fraction form
   163,614/251,401.50 = 251,401.50/x
3. Step 3: Cross multiply
   163,614x = 251,401.50 × 251,401.50
4. Step 4: Simplify right side
   163,614x = 63,202,714,202.25
5. Step 5: Solve for x
   x = 63,202,714,202.25/163,614
6. Step 6: Final answer
   x = 386,291.60