Finding the Third Proportional to 1,269,459 and 1,855,539

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269,459 : 1,855,539 = 1,855,539 : x
2. Step 2: Convert to fraction form
   1,269,459/1,855,539 = 1,855,539/x
3. Step 3: Cross multiply
   1,269,459x = 1,855,539 × 1,855,539
4. Step 4: Simplify right side
   1,269,459x = 3,443,024,980,521
5. Step 5: Solve for x
   x = 3,443,024,980,521/1,269,459
6. Step 6: Final answer
   x = 2,712,198.65