Finding the Third Proportional to 498,508 and 1,087,240

Step by Step Solution

1. Step 1: Write the proportion equation
   498,508 : 1,087,240 = 1,087,240 : x
2. Step 2: Convert to fraction form
   498,508/1,087,240 = 1,087,240/x
3. Step 3: Cross multiply
   498,508x = 1,087,240 × 1,087,240
4. Step 4: Simplify right side
   498,508x = 1,182,090,817,600
5. Step 5: Solve for x
   x = 1,182,090,817,600/498,508
6. Step 6: Final answer
   x = 2,371,257.47