Finding the Third Proportional to 4,785,380 and 7,181,570

Step by Step Solution

1. Step 1: Write the proportion equation
   4,785,380 : 7,181,570 = 7,181,570 : x
2. Step 2: Convert to fraction form
   4,785,380/7,181,570 = 7,181,570/x
3. Step 3: Cross multiply
   4,785,380x = 7,181,570 × 7,181,570
4. Step 4: Simplify right side
   4,785,380x = 51,574,947,664,900
5. Step 5: Solve for x
   x = 51,574,947,664,900/4,785,380
6. Step 6: Final answer
   x = 10,777,607.56