Finding the Third Proportional to 3,780,516 and 8,295,864

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780,516 : 8,295,864 = 8,295,864 : x
2. Step 2: Convert to fraction form
   3,780,516/8,295,864 = 8,295,864/x
3. Step 3: Cross multiply
   3,780,516x = 8,295,864 × 8,295,864
4. Step 4: Simplify right side
   3,780,516x = 68,821,359,506,496
5. Step 5: Solve for x
   x = 68,821,359,506,496/3,780,516
6. Step 6: Final answer
   x = 18,204,223.84