Finding the Third Proportional to 1,296,340 and 1,962,419

Step by Step Solution

1. Step 1: Write the proportion equation
   1,296,340 : 1,962,419 = 1,962,419 : x
2. Step 2: Convert to fraction form
   1,296,340/1,962,419 = 1,962,419/x
3. Step 3: Cross multiply
   1,296,340x = 1,962,419 × 1,962,419
4. Step 4: Simplify right side
   1,296,340x = 3,851,088,331,561
5. Step 5: Solve for x
   x = 3,851,088,331,561/1,296,340
6. Step 6: Final answer
   x = 2,970,739.41