Finding the Third Proportional to 919,728 and 2,010,528

Step by Step Solution

1. Step 1: Write the proportion equation
   919,728 : 2,010,528 = 2,010,528 : x
2. Step 2: Convert to fraction form
   919,728/2,010,528 = 2,010,528/x
3. Step 3: Cross multiply
   919,728x = 2,010,528 × 2,010,528
4. Step 4: Simplify right side
   919,728x = 4,042,222,838,784
5. Step 5: Solve for x
   x = 4,042,222,838,784/919,728
6. Step 6: Final answer
   x = 4,395,019.87