Finding the Third Proportional to 386,892 and 869,016

Step by Step Solution

1. Step 1: Write the proportion equation
   386,892 : 869,016 = 869,016 : x
2. Step 2: Convert to fraction form
   386,892/869,016 = 869,016/x
3. Step 3: Cross multiply
   386,892x = 869,016 × 869,016
4. Step 4: Simplify right side
   386,892x = 755,188,808,256
5. Step 5: Solve for x
   x = 755,188,808,256/386,892
6. Step 6: Final answer
   x = 1,951,937.00