Finding the Third Proportional to 820,712 and 1,260,714

Step by Step Solution

1. Step 1: Write the proportion equation
   820,712 : 1,260,714 = 1,260,714 : x
2. Step 2: Convert to fraction form
   820,712/1,260,714 = 1,260,714/x
3. Step 3: Cross multiply
   820,712x = 1,260,714 × 1,260,714
4. Step 4: Simplify right side
   820,712x = 1,589,399,789,796
5. Step 5: Solve for x
   x = 1,589,399,789,796/820,712
6. Step 6: Final answer
   x = 1,936,610.88