Finding the Third Proportional to 2,569,978 and 5,714,406

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569,978 : 5,714,406 = 5,714,406 : x
2. Step 2: Convert to fraction form
   2,569,978/5,714,406 = 5,714,406/x
3. Step 3: Cross multiply
   2,569,978x = 5,714,406 × 5,714,406
4. Step 4: Simplify right side
   2,569,978x = 32,654,435,932,836
5. Step 5: Solve for x
   x = 32,654,435,932,836/2,569,978
6. Step 6: Final answer
   x = 12,706,114.97