Finding the Third Proportional to 886,788 and 1,298,718

Step by Step Solution

1. Step 1: Write the proportion equation
   886,788 : 1,298,718 = 1,298,718 : x
2. Step 2: Convert to fraction form
   886,788/1,298,718 = 1,298,718/x
3. Step 3: Cross multiply
   886,788x = 1,298,718 × 1,298,718
4. Step 4: Simplify right side
   886,788x = 1,686,668,443,524
5. Step 5: Solve for x
   x = 1,686,668,443,524/886,788
6. Step 6: Final answer
   x = 1,901,997.37