Finding the Third Proportional to 3,817,164 and 8,320,200

Step by Step Solution

1. Step 1: Write the proportion equation
   3,817,164 : 8,320,200 = 8,320,200 : x
2. Step 2: Convert to fraction form
   3,817,164/8,320,200 = 8,320,200/x
3. Step 3: Cross multiply
   3,817,164x = 8,320,200 × 8,320,200
4. Step 4: Simplify right side
   3,817,164x = 69,225,728,040,000
5. Step 5: Solve for x
   x = 69,225,728,040,000/3,817,164
6. Step 6: Final answer
   x = 18,135,382.19