Finding the Third Proportional to 1,263,984 and 1,788,496

Step by Step Solution

1. Step 1: Write the proportion equation
   1,263,984 : 1,788,496 = 1,788,496 : x
2. Step 2: Convert to fraction form
   1,263,984/1,788,496 = 1,788,496/x
3. Step 3: Cross multiply
   1,263,984x = 1,788,496 × 1,788,496
4. Step 4: Simplify right side
   1,263,984x = 3,198,717,942,016
5. Step 5: Solve for x
   x = 3,198,717,942,016/1,263,984
6. Step 6: Final answer
   x = 2,530,663.32