Finding the Third Proportional to 1,305,990 and 1,914,273

Step by Step Solution

1. Step 1: Write the proportion equation
   1,305,990 : 1,914,273 = 1,914,273 : x
2. Step 2: Convert to fraction form
   1,305,990/1,914,273 = 1,914,273/x
3. Step 3: Cross multiply
   1,305,990x = 1,914,273 × 1,914,273
4. Step 4: Simplify right side
   1,305,990x = 3,664,441,118,529
5. Step 5: Solve for x
   x = 3,664,441,118,529/1,305,990
6. Step 6: Final answer
   x = 2,805,872.26