Finding the Third Proportional to 3,689,965 and 8,007,150

Step by Step Solution

1. Step 1: Write the proportion equation
   3,689,965 : 8,007,150 = 8,007,150 : x
2. Step 2: Convert to fraction form
   3,689,965/8,007,150 = 8,007,150/x
3. Step 3: Cross multiply
   3,689,965x = 8,007,150 × 8,007,150
4. Step 4: Simplify right side
   3,689,965x = 64,114,451,122,500
5. Step 5: Solve for x
   x = 64,114,451,122,500/3,689,965
6. Step 6: Final answer
   x = 17,375,354.81