Finding the Third Proportional to 215,266 and 469,284

Step by Step Solution

1. Step 1: Write the proportion equation
   215,266 : 469,284 = 469,284 : x
2. Step 2: Convert to fraction form
   215,266/469,284 = 469,284/x
3. Step 3: Cross multiply
   215,266x = 469,284 × 469,284
4. Step 4: Simplify right side
   215,266x = 220,227,472,656
5. Step 5: Solve for x
   x = 220,227,472,656/215,266
6. Step 6: Final answer
   x = 1,023,048.10