Finding the Third Proportional to 218,964 and 472,110

Step by Step Solution

1. Step 1: Write the proportion equation
   218,964 : 472,110 = 472,110 : x
2. Step 2: Convert to fraction form
   218,964/472,110 = 472,110/x
3. Step 3: Cross multiply
   218,964x = 472,110 × 472,110
4. Step 4: Simplify right side
   218,964x = 222,887,852,100
5. Step 5: Solve for x
   x = 222,887,852,100/218,964
6. Step 6: Final answer
   x = 1,017,920.08