Finding the Third Proportional to 1,315,512 and 1,967,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,512 : 1,967,980 = 1,967,980 : x
2. Step 2: Convert to fraction form
   1,315,512/1,967,980 = 1,967,980/x
3. Step 3: Cross multiply
   1,315,512x = 1,967,980 × 1,967,980
4. Step 4: Simplify right side
   1,315,512x = 3,872,945,280,400
5. Step 5: Solve for x
   x = 3,872,945,280,400/1,315,512
6. Step 6: Final answer
   x = 2,944,059.26