Finding the Third Proportional to 4,839,412 and 7,428,308

Step by Step Solution

1. Step 1: Write the proportion equation
   4,839,412 : 7,428,308 = 7,428,308 : x
2. Step 2: Convert to fraction form
   4,839,412/7,428,308 = 7,428,308/x
3. Step 3: Cross multiply
   4,839,412x = 7,428,308 × 7,428,308
4. Step 4: Simplify right side
   4,839,412x = 55,179,759,742,864
5. Step 5: Solve for x
   x = 55,179,759,742,864/4,839,412
6. Step 6: Final answer
   x = 11,402,162.03