Finding the Third Proportional to 1,263,981 and 1,788,495

Step by Step Solution

1. Step 1: Write the proportion equation
   1,263,981 : 1,788,495 = 1,788,495 : x
2. Step 2: Convert to fraction form
   1,263,981/1,788,495 = 1,788,495/x
3. Step 3: Cross multiply
   1,263,981x = 1,788,495 × 1,788,495
4. Step 4: Simplify right side
   1,263,981x = 3,198,714,365,025
5. Step 5: Solve for x
   x = 3,198,714,365,025/1,263,981
6. Step 6: Final answer
   x = 2,530,666.49