Finding the Third Proportional to 3,666,199 and 5,546,474

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666,199 : 5,546,474 = 5,546,474 : x
2. Step 2: Convert to fraction form
   3,666,199/5,546,474 = 5,546,474/x
3. Step 3: Cross multiply
   3,666,199x = 5,546,474 × 5,546,474
4. Step 4: Simplify right side
   3,666,199x = 30,763,373,832,676
5. Step 5: Solve for x
   x = 30,763,373,832,676/3,666,199
6. Step 6: Final answer
   x = 8,391,081.29