Finding the Third Proportional to 2,007,988 and 4,307,144

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007,988 : 4,307,144 = 4,307,144 : x
2. Step 2: Convert to fraction form
   2,007,988/4,307,144 = 4,307,144/x
3. Step 3: Cross multiply
   2,007,988x = 4,307,144 × 4,307,144
4. Step 4: Simplify right side
   2,007,988x = 18,551,489,436,736
5. Step 5: Solve for x
   x = 18,551,489,436,736/2,007,988
6. Step 6: Final answer
   x = 9,238,844.77