Finding the Third Proportional to 1,087,728 and 2,390,808

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087,728 : 2,390,808 = 2,390,808 : x
2. Step 2: Convert to fraction form
   1,087,728/2,390,808 = 2,390,808/x
3. Step 3: Cross multiply
   1,087,728x = 2,390,808 × 2,390,808
4. Step 4: Simplify right side
   1,087,728x = 5,715,962,892,864
5. Step 5: Solve for x
   x = 5,715,962,892,864/1,087,728
6. Step 6: Final answer
   x = 5,254,956.10