Finding the Third Proportional to 67,171.50 and 146,403

Step by Step Solution

1. Step 1: Write the proportion equation
   67,171.50 : 146,403 = 146,403 : x
2. Step 2: Convert to fraction form
   67,171.50/146,403 = 146,403/x
3. Step 3: Cross multiply
   67,171.50x = 146,403 × 146,403
4. Step 4: Simplify right side
   67,171.50x = 21,433,838,409
5. Step 5: Solve for x
   x = 21,433,838,409/67,171.50
6. Step 6: Final answer
   x = 319,091.26