Finding the Third Proportional to 397,302 and 862,330.50

Step by Step Solution

1. Step 1: Write the proportion equation
   397,302 : 862,330.50 = 862,330.50 : x
2. Step 2: Convert to fraction form
   397,302/862,330.50 = 862,330.50/x
3. Step 3: Cross multiply
   397,302x = 862,330.50 × 862,330.50
4. Step 4: Simplify right side
   397,302x = 743,613,891,230.25
5. Step 5: Solve for x
   x = 743,613,891,230.25/397,302
6. Step 6: Final answer
   x = 1,871,659.07