Finding the Third Proportional to 184,310 and 401,398

Step by Step Solution

1. Step 1: Write the proportion equation
   184,310 : 401,398 = 401,398 : x
2. Step 2: Convert to fraction form
   184,310/401,398 = 401,398/x
3. Step 3: Cross multiply
   184,310x = 401,398 × 401,398
4. Step 4: Simplify right side
   184,310x = 161,120,354,404
5. Step 5: Solve for x
   x = 161,120,354,404/184,310
6. Step 6: Final answer
   x = 874,181.29