Finding the Third Proportional to 498,543 and 1,087,311

Step by Step Solution

1. Step 1: Write the proportion equation
   498,543 : 1,087,311 = 1,087,311 : x
2. Step 2: Convert to fraction form
   498,543/1,087,311 = 1,087,311/x
3. Step 3: Cross multiply
   498,543x = 1,087,311 × 1,087,311
4. Step 4: Simplify right side
   498,543x = 1,182,245,210,721
5. Step 5: Solve for x
   x = 1,182,245,210,721/498,543
6. Step 6: Final answer
   x = 2,371,400.68