Finding the Third Proportional to 4,558,754 and 7,218,669

Step by Step Solution

1. Step 1: Write the proportion equation
   4,558,754 : 7,218,669 = 7,218,669 : x
2. Step 2: Convert to fraction form
   4,558,754/7,218,669 = 7,218,669/x
3. Step 3: Cross multiply
   4,558,754x = 7,218,669 × 7,218,669
4. Step 4: Simplify right side
   4,558,754x = 52,109,182,131,561
5. Step 5: Solve for x
   x = 52,109,182,131,561/4,558,754
6. Step 6: Final answer
   x = 11,430,575.58