Finding the Third Proportional to 271,570.50 and 410,850

Step by Step Solution

1. Step 1: Write the proportion equation
   271,570.50 : 410,850 = 410,850 : x
2. Step 2: Convert to fraction form
   271,570.50/410,850 = 410,850/x
3. Step 3: Cross multiply
   271,570.50x = 410,850 × 410,850
4. Step 4: Simplify right side
   271,570.50x = 168,797,722,500
5. Step 5: Solve for x
   x = 168,797,722,500/271,570.50
6. Step 6: Final answer
   x = 621,561.33