Finding the Third Proportional to 4,130,612 and 8,947,456

Step by Step Solution

1. Step 1: Write the proportion equation
   4,130,612 : 8,947,456 = 8,947,456 : x
2. Step 2: Convert to fraction form
   4,130,612/8,947,456 = 8,947,456/x
3. Step 3: Cross multiply
   4,130,612x = 8,947,456 × 8,947,456
4. Step 4: Simplify right side
   4,130,612x = 80,056,968,871,936
5. Step 5: Solve for x
   x = 80,056,968,871,936/4,130,612
6. Step 6: Final answer
   x = 19,381,381.95