Finding the Third Proportional to 209,160 and 496,980

Step by Step Solution

1. Step 1: Write the proportion equation
   209,160 : 496,980 = 496,980 : x
2. Step 2: Convert to fraction form
   209,160/496,980 = 496,980/x
3. Step 3: Cross multiply
   209,160x = 496,980 × 496,980
4. Step 4: Simplify right side
   209,160x = 246,989,120,400
5. Step 5: Solve for x
   x = 246,989,120,400/209,160
6. Step 6: Final answer
   x = 1,180,862.12