Finding the Third Proportional to 779,892 and 1,687,724

Step by Step Solution

1. Step 1: Write the proportion equation
   779,892 : 1,687,724 = 1,687,724 : x
2. Step 2: Convert to fraction form
   779,892/1,687,724 = 1,687,724/x
3. Step 3: Cross multiply
   779,892x = 1,687,724 × 1,687,724
4. Step 4: Simplify right side
   779,892x = 2,848,412,300,176
5. Step 5: Solve for x
   x = 2,848,412,300,176/779,892
6. Step 6: Final answer
   x = 3,652,316.35