Finding the Third Proportional to 1,836,624 and 3,998,532

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836,624 : 3,998,532 = 3,998,532 : x
2. Step 2: Convert to fraction form
   1,836,624/3,998,532 = 3,998,532/x
3. Step 3: Cross multiply
   1,836,624x = 3,998,532 × 3,998,532
4. Step 4: Simplify right side
   1,836,624x = 15,988,258,155,024
5. Step 5: Solve for x
   x = 15,988,258,155,024/1,836,624
6. Step 6: Final answer
   x = 8,705,242.96