Finding the Third Proportional to 919,908 and 2,010,816

Step by Step Solution

1. Step 1: Write the proportion equation
   919,908 : 2,010,816 = 2,010,816 : x
2. Step 2: Convert to fraction form
   919,908/2,010,816 = 2,010,816/x
3. Step 3: Cross multiply
   919,908x = 2,010,816 × 2,010,816
4. Step 4: Simplify right side
   919,908x = 4,043,380,985,856
5. Step 5: Solve for x
   x = 4,043,380,985,856/919,908
6. Step 6: Final answer
   x = 4,395,418.87