Finding the Third Proportional to 215,514 and 471,156

Step by Step Solution

1. Step 1: Write the proportion equation
   215,514 : 471,156 = 471,156 : x
2. Step 2: Convert to fraction form
   215,514/471,156 = 471,156/x
3. Step 3: Cross multiply
   215,514x = 471,156 × 471,156
4. Step 4: Simplify right side
   215,514x = 221,987,976,336
5. Step 5: Solve for x
   x = 221,987,976,336/215,514
6. Step 6: Final answer
   x = 1,030,039.70