Finding the Third Proportional to 216,276 and 474,654

Step by Step Solution

1. Step 1: Write the proportion equation
   216,276 : 474,654 = 474,654 : x
2. Step 2: Convert to fraction form
   216,276/474,654 = 474,654/x
3. Step 3: Cross multiply
   216,276x = 474,654 × 474,654
4. Step 4: Simplify right side
   216,276x = 225,296,419,716
5. Step 5: Solve for x
   x = 225,296,419,716/216,276
6. Step 6: Final answer
   x = 1,041,707.91