Finding the Third Proportional to 3,858,443 and 5,672,209

Step by Step Solution

1. Step 1: Write the proportion equation
   3,858,443 : 5,672,209 = 5,672,209 : x
2. Step 2: Convert to fraction form
   3,858,443/5,672,209 = 5,672,209/x
3. Step 3: Cross multiply
   3,858,443x = 5,672,209 × 5,672,209
4. Step 4: Simplify right side
   3,858,443x = 32,173,954,939,681
5. Step 5: Solve for x
   x = 32,173,954,939,681/3,858,443
6. Step 6: Final answer
   x = 8,338,585.00