Finding the Third Proportional to 4,558,744 and 7,218,655

Step by Step Solution

1. Step 1: Write the proportion equation
   4,558,744 : 7,218,655 = 7,218,655 : x
2. Step 2: Convert to fraction form
   4,558,744/7,218,655 = 7,218,655/x
3. Step 3: Cross multiply
   4,558,744x = 7,218,655 × 7,218,655
4. Step 4: Simplify right side
   4,558,744x = 52,108,980,009,025
5. Step 5: Solve for x
   x = 52,108,980,009,025/4,558,744
6. Step 6: Final answer
   x = 11,430,556.31