Finding the Third Proportional to 831,948 and 1,216,722

Step by Step Solution

1. Step 1: Write the proportion equation
   831,948 : 1,216,722 = 1,216,722 : x
2. Step 2: Convert to fraction form
   831,948/1,216,722 = 1,216,722/x
3. Step 3: Cross multiply
   831,948x = 1,216,722 × 1,216,722
4. Step 4: Simplify right side
   831,948x = 1,480,412,425,284
5. Step 5: Solve for x
   x = 1,480,412,425,284/831,948
6. Step 6: Final answer
   x = 1,779,453.07