Finding the Third Proportional to 208,542 and 492,186

Step by Step Solution

1. Step 1: Write the proportion equation
   208,542 : 492,186 = 492,186 : x
2. Step 2: Convert to fraction form
   208,542/492,186 = 492,186/x
3. Step 3: Cross multiply
   208,542x = 492,186 × 492,186
4. Step 4: Simplify right side
   208,542x = 242,247,058,596
5. Step 5: Solve for x
   x = 242,247,058,596/208,542
6. Step 6: Final answer
   x = 1,161,622.40