Finding the Third Proportional to 4,558,845 and 7,218,832

Step by Step Solution

1. Step 1: Write the proportion equation
   4,558,845 : 7,218,832 = 7,218,832 : x
2. Step 2: Convert to fraction form
   4,558,845/7,218,832 = 7,218,832/x
3. Step 3: Cross multiply
   4,558,845x = 7,218,832 × 7,218,832
4. Step 4: Simplify right side
   4,558,845x = 52,111,535,444,224
5. Step 5: Solve for x
   x = 52,111,535,444,224/4,558,845
6. Step 6: Final answer
   x = 11,430,863.62