Finding the Third Proportional to 218,966 and 472,124

Step by Step Solution

1. Step 1: Write the proportion equation
   218,966 : 472,124 = 472,124 : x
2. Step 2: Convert to fraction form
   218,966/472,124 = 472,124/x
3. Step 3: Cross multiply
   218,966x = 472,124 × 472,124
4. Step 4: Simplify right side
   218,966x = 222,901,071,376
5. Step 5: Solve for x
   x = 222,901,071,376/218,966
6. Step 6: Final answer
   x = 1,017,971.15