Finding the Third Proportional to 3,807,944 and 8,242,865

Step by Step Solution

1. Step 1: Write the proportion equation
   3,807,944 : 8,242,865 = 8,242,865 : x
2. Step 2: Convert to fraction form
   3,807,944/8,242,865 = 8,242,865/x
3. Step 3: Cross multiply
   3,807,944x = 8,242,865 × 8,242,865
4. Step 4: Simplify right side
   3,807,944x = 67,944,823,408,225
5. Step 5: Solve for x
   x = 67,944,823,408,225/3,807,944
6. Step 6: Final answer
   x = 17,842,915.60