Finding the Third Proportional to 871,434 and 1,320,192

Step by Step Solution

1. Step 1: Write the proportion equation
   871,434 : 1,320,192 = 1,320,192 : x
2. Step 2: Convert to fraction form
   871,434/1,320,192 = 1,320,192/x
3. Step 3: Cross multiply
   871,434x = 1,320,192 × 1,320,192
4. Step 4: Simplify right side
   871,434x = 1,742,906,916,864
5. Step 5: Solve for x
   x = 1,742,906,916,864/871,434
6. Step 6: Final answer
   x = 2,000,044.66