Finding the Third Proportional to 1,251,222 and 2,679,564

Step by Step Solution

1. Step 1: Write the proportion equation
   1,251,222 : 2,679,564 = 2,679,564 : x
2. Step 2: Convert to fraction form
   1,251,222/2,679,564 = 2,679,564/x
3. Step 3: Cross multiply
   1,251,222x = 2,679,564 × 2,679,564
4. Step 4: Simplify right side
   1,251,222x = 7,180,063,230,096
5. Step 5: Solve for x
   x = 7,180,063,230,096/1,251,222
6. Step 6: Final answer
   x = 5,738,440.68