Finding the Third Proportional to 1,822,740 and 3,988,596

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,740 : 3,988,596 = 3,988,596 : x
2. Step 2: Convert to fraction form
   1,822,740/3,988,596 = 3,988,596/x
3. Step 3: Cross multiply
   1,822,740x = 3,988,596 × 3,988,596
4. Step 4: Simplify right side
   1,822,740x = 15,908,898,051,216
5. Step 5: Solve for x
   x = 15,908,898,051,216/1,822,740
6. Step 6: Final answer
   x = 8,728,012.80