Finding the Third Proportional to 401,116.50 and 871,353

Step by Step Solution

1. Step 1: Write the proportion equation
   401,116.50 : 871,353 = 871,353 : x
2. Step 2: Convert to fraction form
   401,116.50/871,353 = 871,353/x
3. Step 3: Cross multiply
   401,116.50x = 871,353 × 871,353
4. Step 4: Simplify right side
   401,116.50x = 759,256,050,609
5. Step 5: Solve for x
   x = 759,256,050,609/401,116.50
6. Step 6: Final answer
   x = 1,892,856.69