Finding the Third Proportional to 215,826 and 474,486

Step by Step Solution

1. Step 1: Write the proportion equation
   215,826 : 474,486 = 474,486 : x
2. Step 2: Convert to fraction form
   215,826/474,486 = 474,486/x
3. Step 3: Cross multiply
   215,826x = 474,486 × 474,486
4. Step 4: Simplify right side
   215,826x = 225,136,964,196
5. Step 5: Solve for x
   x = 225,136,964,196/215,826
6. Step 6: Final answer
   x = 1,043,141.07