Finding the Third Proportional to 4,558,752 and 7,218,666

Step by Step Solution

1. Step 1: Write the proportion equation
   4,558,752 : 7,218,666 = 7,218,666 : x
2. Step 2: Convert to fraction form
   4,558,752/7,218,666 = 7,218,666/x
3. Step 3: Cross multiply
   4,558,752x = 7,218,666 × 7,218,666
4. Step 4: Simplify right side
   4,558,752x = 52,109,138,819,556
5. Step 5: Solve for x
   x = 52,109,138,819,556/4,558,752
6. Step 6: Final answer
   x = 11,430,571.09