Finding the Third Proportional to 1,997,678 and 4,314,604

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997,678 : 4,314,604 = 4,314,604 : x
2. Step 2: Convert to fraction form
   1,997,678/4,314,604 = 4,314,604/x
3. Step 3: Cross multiply
   1,997,678x = 4,314,604 × 4,314,604
4. Step 4: Simplify right side
   1,997,678x = 18,615,807,676,816
5. Step 5: Solve for x
   x = 18,615,807,676,816/1,997,678
6. Step 6: Final answer
   x = 9,318,722.88