Finding the Third Proportional to 218,516 and 472,024

Step by Step Solution

1. Step 1: Write the proportion equation
   218,516 : 472,024 = 472,024 : x
2. Step 2: Convert to fraction form
   218,516/472,024 = 472,024/x
3. Step 3: Cross multiply
   218,516x = 472,024 × 472,024
4. Step 4: Simplify right side
   218,516x = 222,806,656,576
5. Step 5: Solve for x
   x = 222,806,656,576/218,516
6. Step 6: Final answer
   x = 1,019,635.43