Finding the Third Proportional to 3,913,870 and 5,972,037

Step by Step Solution

1. Step 1: Write the proportion equation
   3,913,870 : 5,972,037 = 5,972,037 : x
2. Step 2: Convert to fraction form
   3,913,870/5,972,037 = 5,972,037/x
3. Step 3: Cross multiply
   3,913,870x = 5,972,037 × 5,972,037
4. Step 4: Simplify right side
   3,913,870x = 35,665,225,929,369
5. Step 5: Solve for x
   x = 35,665,225,929,369/3,913,870
6. Step 6: Final answer
   x = 9,112,521.86