Finding the Third Proportional to 840,748 and 1,280,562

Step by Step Solution

1. Step 1: Write the proportion equation
   840,748 : 1,280,562 = 1,280,562 : x
2. Step 2: Convert to fraction form
   840,748/1,280,562 = 1,280,562/x
3. Step 3: Cross multiply
   840,748x = 1,280,562 × 1,280,562
4. Step 4: Simplify right side
   840,748x = 1,639,839,035,844
5. Step 5: Solve for x
   x = 1,639,839,035,844/840,748
6. Step 6: Final answer
   x = 1,950,452.50