Finding the Third Proportional to 1,988,996 and 4,354,168

Step by Step Solution

1. Step 1: Write the proportion equation
   1,988,996 : 4,354,168 = 4,354,168 : x
2. Step 2: Convert to fraction form
   1,988,996/4,354,168 = 4,354,168/x
3. Step 3: Cross multiply
   1,988,996x = 4,354,168 × 4,354,168
4. Step 4: Simplify right side
   1,988,996x = 18,958,778,972,224
5. Step 5: Solve for x
   x = 18,958,778,972,224/1,988,996
6. Step 6: Final answer
   x = 9,531,833.63