Finding the Third Proportional to 3,846,027 and 8,406,474

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846,027 : 8,406,474 = 8,406,474 : x
2. Step 2: Convert to fraction form
   3,846,027/8,406,474 = 8,406,474/x
3. Step 3: Cross multiply
   3,846,027x = 8,406,474 × 8,406,474
4. Step 4: Simplify right side
   3,846,027x = 70,668,805,112,676
5. Step 5: Solve for x
   x = 70,668,805,112,676/3,846,027
6. Step 6: Final answer
   x = 18,374,495.32