Finding the Third Proportional to 802,389 and 1,762,218

Step by Step Solution

1. Step 1: Write the proportion equation
   802,389 : 1,762,218 = 1,762,218 : x
2. Step 2: Convert to fraction form
   802,389/1,762,218 = 1,762,218/x
3. Step 3: Cross multiply
   802,389x = 1,762,218 × 1,762,218
4. Step 4: Simplify right side
   802,389x = 3,105,412,279,524
5. Step 5: Solve for x
   x = 3,105,412,279,524/802,389
6. Step 6: Final answer
   x = 3,870,207.94