Finding the Third Proportional to 1,296,420 and 1,962,519

Step by Step Solution

1. Step 1: Write the proportion equation
   1,296,420 : 1,962,519 = 1,962,519 : x
2. Step 2: Convert to fraction form
   1,296,420/1,962,519 = 1,962,519/x
3. Step 3: Cross multiply
   1,296,420x = 1,962,519 × 1,962,519
4. Step 4: Simplify right side
   1,296,420x = 3,851,480,825,361
5. Step 5: Solve for x
   x = 3,851,480,825,361/1,296,420
6. Step 6: Final answer
   x = 2,970,858.85