Finding the Third Proportional to 1,539,236 and 2,318,087

Step by Step Solution

1. Step 1: Write the proportion equation
   1,539,236 : 2,318,087 = 2,318,087 : x
2. Step 2: Convert to fraction form
   1,539,236/2,318,087 = 2,318,087/x
3. Step 3: Cross multiply
   1,539,236x = 2,318,087 × 2,318,087
4. Step 4: Simplify right side
   1,539,236x = 5,373,527,339,569
5. Step 5: Solve for x
   x = 5,373,527,339,569/1,539,236
6. Step 6: Final answer
   x = 3,491,035.38