Finding the Third Proportional to 1,367,640 and 2,945,610

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367,640 : 2,945,610 = 2,945,610 : x
2. Step 2: Convert to fraction form
   1,367,640/2,945,610 = 2,945,610/x
3. Step 3: Cross multiply
   1,367,640x = 2,945,610 × 2,945,610
4. Step 4: Simplify right side
   1,367,640x = 8,676,618,272,100
5. Step 5: Solve for x
   x = 8,676,618,272,100/1,367,640
6. Step 6: Final answer
   x = 6,344,226.75