Finding the Third Proportional to 4,771,872 and 7,227,306

Step by Step Solution

1. Step 1: Write the proportion equation
   4,771,872 : 7,227,306 = 7,227,306 : x
2. Step 2: Convert to fraction form
   4,771,872/7,227,306 = 7,227,306/x
3. Step 3: Cross multiply
   4,771,872x = 7,227,306 × 7,227,306
4. Step 4: Simplify right side
   4,771,872x = 52,233,952,017,636
5. Step 5: Solve for x
   x = 52,233,952,017,636/4,771,872
6. Step 6: Final answer
   x = 10,946,218.18