Finding the Third Proportional to 8,370,468 and 17,936,678

Step by Step Solution

1. Step 1: Write the proportion equation
   8,370,468 : 17,936,678 = 17,936,678 : x
2. Step 2: Convert to fraction form
   8,370,468/17,936,678 = 17,936,678/x
3. Step 3: Cross multiply
   8,370,468x = 17,936,678 × 17,936,678
4. Step 4: Simplify right side
   8,370,468x = 321,724,417,675,684
5. Step 5: Solve for x
   x = 321,724,417,675,684/8,370,468
6. Step 6: Final answer
   x = 38,435,654.69