Finding the Third Proportional to 851,160 and 1,259,910

Step by Step Solution

1. Step 1: Write the proportion equation
   851,160 : 1,259,910 = 1,259,910 : x
2. Step 2: Convert to fraction form
   851,160/1,259,910 = 1,259,910/x
3. Step 3: Cross multiply
   851,160x = 1,259,910 × 1,259,910
4. Step 4: Simplify right side
   851,160x = 1,587,373,208,100
5. Step 5: Solve for x
   x = 1,587,373,208,100/851,160
6. Step 6: Final answer
   x = 1,864,952.78