Finding the Third Proportional to 154,404 and 231,606

Step by Step Solution

1. Step 1: Write the proportion equation
   154,404 : 231,606 = 231,606 : x
2. Step 2: Convert to fraction form
   154,404/231,606 = 231,606/x
3. Step 3: Cross multiply
   154,404x = 231,606 × 231,606
4. Step 4: Simplify right side
   154,404x = 53,641,339,236
5. Step 5: Solve for x
   x = 53,641,339,236/154,404
6. Step 6: Final answer
   x = 347,409