Finding the Third Proportional to 215,926 and 474,364

Step by Step Solution

1. Step 1: Write the proportion equation
   215,926 : 474,364 = 474,364 : x
2. Step 2: Convert to fraction form
   215,926/474,364 = 474,364/x
3. Step 3: Cross multiply
   215,926x = 474,364 × 474,364
4. Step 4: Simplify right side
   215,926x = 225,021,204,496
5. Step 5: Solve for x
   x = 225,021,204,496/215,926
6. Step 6: Final answer
   x = 1,042,121.86