Finding the Third Proportional to 218,938 and 472,076

Step by Step Solution

1. Step 1: Write the proportion equation
   218,938 : 472,076 = 472,076 : x
2. Step 2: Convert to fraction form
   218,938/472,076 = 472,076/x
3. Step 3: Cross multiply
   218,938x = 472,076 × 472,076
4. Step 4: Simplify right side
   218,938x = 222,855,749,776
5. Step 5: Solve for x
   x = 222,855,749,776/218,938
6. Step 6: Final answer
   x = 1,017,894.33