Finding the Third Proportional to 1,263,379 and 2,739,564

Step by Step Solution

1. Step 1: Write the proportion equation
   1,263,379 : 2,739,564 = 2,739,564 : x
2. Step 2: Convert to fraction form
   1,263,379/2,739,564 = 2,739,564/x
3. Step 3: Cross multiply
   1,263,379x = 2,739,564 × 2,739,564
4. Step 4: Simplify right side
   1,263,379x = 7,505,210,910,096
5. Step 5: Solve for x
   x = 7,505,210,910,096/1,263,379
6. Step 6: Final answer
   x = 5,940,585.45