Finding the Third Proportional to 3,848,316 and 8,366,451

Step by Step Solution

1. Step 1: Write the proportion equation
   3,848,316 : 8,366,451 = 8,366,451 : x
2. Step 2: Convert to fraction form
   3,848,316/8,366,451 = 8,366,451/x
3. Step 3: Cross multiply
   3,848,316x = 8,366,451 × 8,366,451
4. Step 4: Simplify right side
   3,848,316x = 69,997,502,335,401
5. Step 5: Solve for x
   x = 69,997,502,335,401/3,848,316
6. Step 6: Final answer
   x = 18,189,125.41