Finding the Third Proportional to 238,132 and 323,404

Step by Step Solution

1. Step 1: Write the proportion equation
   238,132 : 323,404 = 323,404 : x
2. Step 2: Convert to fraction form
   238,132/323,404 = 323,404/x
3. Step 3: Cross multiply
   238,132x = 323,404 × 323,404
4. Step 4: Simplify right side
   238,132x = 104,590,147,216
5. Step 5: Solve for x
   x = 104,590,147,216/238,132
6. Step 6: Final answer
   x = 439,210.80