Finding the Third Proportional to 215,486 and 468,950

Step by Step Solution

1. Step 1: Write the proportion equation
   215,486 : 468,950 = 468,950 : x
2. Step 2: Convert to fraction form
   215,486/468,950 = 468,950/x
3. Step 3: Cross multiply
   215,486x = 468,950 × 468,950
4. Step 4: Simplify right side
   215,486x = 219,914,102,500
5. Step 5: Solve for x
   x = 219,914,102,500/215,486
6. Step 6: Final answer
   x = 1,020,549.37