Finding the Third Proportional to 686,892 and 1,009,770

Step by Step Solution

1. Step 1: Write the proportion equation
   686,892 : 1,009,770 = 1,009,770 : x
2. Step 2: Convert to fraction form
   686,892/1,009,770 = 1,009,770/x
3. Step 3: Cross multiply
   686,892x = 1,009,770 × 1,009,770
4. Step 4: Simplify right side
   686,892x = 1,019,635,452,900
5. Step 5: Solve for x
   x = 1,019,635,452,900/686,892
6. Step 6: Final answer
   x = 1,484,418.88