Finding the Third Proportional to 170,296.31 and 401,436

Step by Step Solution

1. Step 1: Write the proportion equation
   170,296.31 : 401,436 = 401,436 : x
2. Step 2: Convert to fraction form
   170,296.31/401,436 = 401,436/x
3. Step 3: Cross multiply
   170,296.31x = 401,436 × 401,436
4. Step 4: Simplify right side
   170,296.31x = 161,150,862,096
5. Step 5: Solve for x
   x = 161,150,862,096/170,296.31
6. Step 6: Final answer
   x = 946,296.84