Finding the Third Proportional to 3,851,920 and 9,109,354

Step by Step Solution

1. Step 1: Write the proportion equation
   3,851,920 : 9,109,354 = 9,109,354 : x
2. Step 2: Convert to fraction form
   3,851,920/9,109,354 = 9,109,354/x
3. Step 3: Cross multiply
   3,851,920x = 9,109,354 × 9,109,354
4. Step 4: Simplify right side
   3,851,920x = 82,980,330,297,316
5. Step 5: Solve for x
   x = 82,980,330,297,316/3,851,920
6. Step 6: Final answer
   x = 21,542,589.23