Finding the Third Proportional to 498,658 and 1,102,288

Step by Step Solution

1. Step 1: Write the proportion equation
   498,658 : 1,102,288 = 1,102,288 : x
2. Step 2: Convert to fraction form
   498,658/1,102,288 = 1,102,288/x
3. Step 3: Cross multiply
   498,658x = 1,102,288 × 1,102,288
4. Step 4: Simplify right side
   498,658x = 1,215,038,834,944
5. Step 5: Solve for x
   x = 1,215,038,834,944/498,658
6. Step 6: Final answer
   x = 2,436,617.55