Finding the Third Proportional to 811,761 and 1,761,849

Step by Step Solution

1. Step 1: Write the proportion equation
   811,761 : 1,761,849 = 1,761,849 : x
2. Step 2: Convert to fraction form
   811,761/1,761,849 = 1,761,849/x
3. Step 3: Cross multiply
   811,761x = 1,761,849 × 1,761,849
4. Step 4: Simplify right side
   811,761x = 3,104,111,898,801
5. Step 5: Solve for x
   x = 3,104,111,898,801/811,761
6. Step 6: Final answer
   x = 3,823,923.42