Finding the Third Proportional to 3,665,224 and 7,581,864

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665,224 : 7,581,864 = 7,581,864 : x
2. Step 2: Convert to fraction form
   3,665,224/7,581,864 = 7,581,864/x
3. Step 3: Cross multiply
   3,665,224x = 7,581,864 × 7,581,864
4. Step 4: Simplify right side
   3,665,224x = 57,484,661,714,496
5. Step 5: Solve for x
   x = 57,484,661,714,496/3,665,224
6. Step 6: Final answer
   x = 15,683,805.88