Finding the Third Proportional to 799,514 and 1,215,642

Step by Step Solution

1. Step 1: Write the proportion equation
   799,514 : 1,215,642 = 1,215,642 : x
2. Step 2: Convert to fraction form
   799,514/1,215,642 = 1,215,642/x
3. Step 3: Cross multiply
   799,514x = 1,215,642 × 1,215,642
4. Step 4: Simplify right side
   799,514x = 1,477,785,472,164
5. Step 5: Solve for x
   x = 1,477,785,472,164/799,514
6. Step 6: Final answer
   x = 1,848,354.72