Finding the Third Proportional to 811,674 and 1,261,719

Step by Step Solution

1. Step 1: Write the proportion equation
   811,674 : 1,261,719 = 1,261,719 : x
2. Step 2: Convert to fraction form
   811,674/1,261,719 = 1,261,719/x
3. Step 3: Cross multiply
   811,674x = 1,261,719 × 1,261,719
4. Step 4: Simplify right side
   811,674x = 1,591,934,834,961
5. Step 5: Solve for x
   x = 1,591,934,834,961/811,674
6. Step 6: Final answer
   x = 1,961,298.30