Finding the Third Proportional to 19,388,326 and 42,007,864

Step by Step Solution

1. Step 1: Write the proportion equation
   19,388,326 : 42,007,864 = 42,007,864 : x
2. Step 2: Convert to fraction form
   19,388,326/42,007,864 = 42,007,864/x
3. Step 3: Cross multiply
   19,388,326x = 42,007,864 × 42,007,864
4. Step 4: Simplify right side
   19,388,326x = 1,764,660,637,842,496
5. Step 5: Solve for x
   x = 1,764,660,637,842,496/19,388,326
6. Step 6: Final answer
   x = 91,016,658.06