Finding the Third Proportional to 215,270 and 469,291.50

Step by Step Solution

1. Step 1: Write the proportion equation
   215,270 : 469,291.50 = 469,291.50 : x
2. Step 2: Convert to fraction form
   215,270/469,291.50 = 469,291.50/x
3. Step 3: Cross multiply
   215,270x = 469,291.50 × 469,291.50
4. Step 4: Simplify right side
   215,270x = 220,234,511,972.25
5. Step 5: Solve for x
   x = 220,234,511,972.25/215,270
6. Step 6: Final answer
   x = 1,023,061.79