Finding the Third Proportional to 919,858 and 2,010,716

Step by Step Solution

1. Step 1: Write the proportion equation
   919,858 : 2,010,716 = 2,010,716 : x
2. Step 2: Convert to fraction form
   919,858/2,010,716 = 2,010,716/x
3. Step 3: Cross multiply
   919,858x = 2,010,716 × 2,010,716
4. Step 4: Simplify right side
   919,858x = 4,042,978,832,656
5. Step 5: Solve for x
   x = 4,042,978,832,656/919,858
6. Step 6: Final answer
   x = 4,395,220.60