Finding the Third Proportional to 3,339,472 and 7,223,456

Step by Step Solution

1. Step 1: Write the proportion equation
   3,339,472 : 7,223,456 = 7,223,456 : x
2. Step 2: Convert to fraction form
   3,339,472/7,223,456 = 7,223,456/x
3. Step 3: Cross multiply
   3,339,472x = 7,223,456 × 7,223,456
4. Step 4: Simplify right side
   3,339,472x = 52,178,316,583,936
5. Step 5: Solve for x
   x = 52,178,316,583,936/3,339,472
6. Step 6: Final answer
   x = 15,624,720.49