Finding the Third Proportional to 1,296,423 and 1,962,521

Step by Step Solution

1. Step 1: Write the proportion equation
   1,296,423 : 1,962,521 = 1,962,521 : x
2. Step 2: Convert to fraction form
   1,296,423/1,962,521 = 1,962,521/x
3. Step 3: Cross multiply
   1,296,423x = 1,962,521 × 1,962,521
4. Step 4: Simplify right side
   1,296,423x = 3,851,488,675,441
5. Step 5: Solve for x
   x = 3,851,488,675,441/1,296,423
6. Step 6: Final answer
   x = 2,970,858.03