Finding the Third Proportional to 4,839,448 and 7,428,364

Step by Step Solution

1. Step 1: Write the proportion equation
   4,839,448 : 7,428,364 = 7,428,364 : x
2. Step 2: Convert to fraction form
   4,839,448/7,428,364 = 7,428,364/x
3. Step 3: Cross multiply
   4,839,448x = 7,428,364 × 7,428,364
4. Step 4: Simplify right side
   4,839,448x = 55,180,591,716,496
5. Step 5: Solve for x
   x = 55,180,591,716,496/4,839,448
6. Step 6: Final answer
   x = 11,402,249.12