Finding the Third Proportional to 1,822,433 and 4,218,959

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,433 : 4,218,959 = 4,218,959 : x
2. Step 2: Convert to fraction form
   1,822,433/4,218,959 = 4,218,959/x
3. Step 3: Cross multiply
   1,822,433x = 4,218,959 × 4,218,959
4. Step 4: Simplify right side
   1,822,433x = 17,799,615,043,681
5. Step 5: Solve for x
   x = 17,799,615,043,681/1,822,433
6. Step 6: Final answer
   x = 9,766,951.68