Finding the Third Proportional to 1,099,216 and 2,342,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099,216 : 2,342,432 = 2,342,432 : x
2. Step 2: Convert to fraction form
   1,099,216/2,342,432 = 2,342,432/x
3. Step 3: Cross multiply
   1,099,216x = 2,342,432 × 2,342,432
4. Step 4: Simplify right side
   1,099,216x = 5,486,987,674,624
5. Step 5: Solve for x
   x = 5,486,987,674,624/1,099,216
6. Step 6: Final answer
   x = 4,991,728.35