Finding the Third Proportional to 3,478,912 and 4,807,104

Step by Step Solution

1. Step 1: Write the proportion equation
   3,478,912 : 4,807,104 = 4,807,104 : x
2. Step 2: Convert to fraction form
   3,478,912/4,807,104 = 4,807,104/x
3. Step 3: Cross multiply
   3,478,912x = 4,807,104 × 4,807,104
4. Step 4: Simplify right side
   3,478,912x = 23,108,248,866,816
5. Step 5: Solve for x
   x = 23,108,248,866,816/3,478,912
6. Step 6: Final answer
   x = 6,642,378.10