Finding the Third Proportional to 3,982,896 and 8,546,448

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982,896 : 8,546,448 = 8,546,448 : x
2. Step 2: Convert to fraction form
   3,982,896/8,546,448 = 8,546,448/x
3. Step 3: Cross multiply
   3,982,896x = 8,546,448 × 8,546,448
4. Step 4: Simplify right side
   3,982,896x = 73,041,773,416,704
5. Step 5: Solve for x
   x = 73,041,773,416,704/3,982,896
6. Step 6: Final answer
   x = 18,338,860.32