Finding the Third Proportional to 170,298.38 and 401,440.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,298.38 : 401,440.50 = 401,440.50 : x
2. Step 2: Convert to fraction form
   170,298.38/401,440.50 = 401,440.50/x
3. Step 3: Cross multiply
   170,298.38x = 401,440.50 × 401,440.50
4. Step 4: Simplify right side
   170,298.38x = 161,154,475,040.25
5. Step 5: Solve for x
   x = 161,154,475,040.25/170,298.38
6. Step 6: Final answer
   x = 946,306.59