Finding the Third Proportional to 1,001,400 and 2,163,912

Step by Step Solution

1. Step 1: Write the proportion equation
   1,001,400 : 2,163,912 = 2,163,912 : x
2. Step 2: Convert to fraction form
   1,001,400/2,163,912 = 2,163,912/x
3. Step 3: Cross multiply
   1,001,400x = 2,163,912 × 2,163,912
4. Step 4: Simplify right side
   1,001,400x = 4,682,515,143,744
5. Step 5: Solve for x
   x = 4,682,515,143,744/1,001,400
6. Step 6: Final answer
   x = 4,675,968.79