Finding the Third Proportional to 917,606 and 2,021,834

Step by Step Solution

1. Step 1: Write the proportion equation
   917,606 : 2,021,834 = 2,021,834 : x
2. Step 2: Convert to fraction form
   917,606/2,021,834 = 2,021,834/x
3. Step 3: Cross multiply
   917,606x = 2,021,834 × 2,021,834
4. Step 4: Simplify right side
   917,606x = 4,087,812,723,556
5. Step 5: Solve for x
   x = 4,087,812,723,556/917,606
6. Step 6: Final answer
   x = 4,454,867.04