Finding the Third Proportional to 3,891,236 and 6,216,274

Step by Step Solution

1. Step 1: Write the proportion equation
   3,891,236 : 6,216,274 = 6,216,274 : x
2. Step 2: Convert to fraction form
   3,891,236/6,216,274 = 6,216,274/x
3. Step 3: Cross multiply
   3,891,236x = 6,216,274 × 6,216,274
4. Step 4: Simplify right side
   3,891,236x = 38,642,062,443,076
5. Step 5: Solve for x
   x = 38,642,062,443,076/3,891,236
6. Step 6: Final answer
   x = 9,930,536.84