Finding the Third Proportional to 3,448,818 and 7,317,864

Step by Step Solution

1. Step 1: Write the proportion equation
   3,448,818 : 7,317,864 = 7,317,864 : x
2. Step 2: Convert to fraction form
   3,448,818/7,317,864 = 7,317,864/x
3. Step 3: Cross multiply
   3,448,818x = 7,317,864 × 7,317,864
4. Step 4: Simplify right side
   3,448,818x = 53,551,133,522,496
5. Step 5: Solve for x
   x = 53,551,133,522,496/3,448,818
6. Step 6: Final answer
   x = 15,527,387.51