Finding the Third Proportional to 401,085 and 871,330.50

Step by Step Solution

1. Step 1: Write the proportion equation
   401,085 : 871,330.50 = 871,330.50 : x
2. Step 2: Convert to fraction form
   401,085/871,330.50 = 871,330.50/x
3. Step 3: Cross multiply
   401,085x = 871,330.50 × 871,330.50
4. Step 4: Simplify right side
   401,085x = 759,216,840,230.25
5. Step 5: Solve for x
   x = 759,216,840,230.25/401,085
6. Step 6: Final answer
   x = 1,892,907.59