Finding the Third Proportional to 4,839,396 and 7,428,282

Step by Step Solution

1. Step 1: Write the proportion equation
   4,839,396 : 7,428,282 = 7,428,282 : x
2. Step 2: Convert to fraction form
   4,839,396/7,428,282 = 7,428,282/x
3. Step 3: Cross multiply
   4,839,396x = 7,428,282 × 7,428,282
4. Step 4: Simplify right side
   4,839,396x = 55,179,373,471,524
5. Step 5: Solve for x
   x = 55,179,373,471,524/4,839,396
6. Step 6: Final answer
   x = 11,402,119.91