Finding the Third Proportional to 218,542 and 475,538

Step by Step Solution

1. Step 1: Write the proportion equation
   218,542 : 475,538 = 475,538 : x
2. Step 2: Convert to fraction form
   218,542/475,538 = 475,538/x
3. Step 3: Cross multiply
   218,542x = 475,538 × 475,538
4. Step 4: Simplify right side
   218,542x = 226,136,389,444
5. Step 5: Solve for x
   x = 226,136,389,444/218,542
6. Step 6: Final answer
   x = 1,034,750.25