Finding the Third Proportional to 888,663 and 1,269,900

Step by Step Solution

1. Step 1: Write the proportion equation
   888,663 : 1,269,900 = 1,269,900 : x
2. Step 2: Convert to fraction form
   888,663/1,269,900 = 1,269,900/x
3. Step 3: Cross multiply
   888,663x = 1,269,900 × 1,269,900
4. Step 4: Simplify right side
   888,663x = 1,612,646,010,000
5. Step 5: Solve for x
   x = 1,612,646,010,000/888,663
6. Step 6: Final answer
   x = 1,814,687.92