Finding the Third Proportional to 4,203,246 and 8,906,274

Step by Step Solution

1. Step 1: Write the proportion equation
   4,203,246 : 8,906,274 = 8,906,274 : x
2. Step 2: Convert to fraction form
   4,203,246/8,906,274 = 8,906,274/x
3. Step 3: Cross multiply
   4,203,246x = 8,906,274 × 8,906,274
4. Step 4: Simplify right side
   4,203,246x = 79,321,716,563,076
5. Step 5: Solve for x
   x = 79,321,716,563,076/4,203,246
6. Step 6: Final answer
   x = 18,871,537.99