Finding the Third Proportional to 2,208,672 and 4,830,912

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208,672 : 4,830,912 = 4,830,912 : x
2. Step 2: Convert to fraction form
   2,208,672/4,830,912 = 4,830,912/x
3. Step 3: Cross multiply
   2,208,672x = 4,830,912 × 4,830,912
4. Step 4: Simplify right side
   2,208,672x = 23,337,710,751,744
5. Step 5: Solve for x
   x = 23,337,710,751,744/2,208,672
6. Step 6: Final answer
   x = 10,566,399.52