Finding the Third Proportional to 161,408 and 240,900

Step by Step Solution

1. Step 1: Write the proportion equation
   161,408 : 240,900 = 240,900 : x
2. Step 2: Convert to fraction form
   161,408/240,900 = 240,900/x
3. Step 3: Cross multiply
   161,408x = 240,900 × 240,900
4. Step 4: Simplify right side
   161,408x = 58,032,810,000
5. Step 5: Solve for x
   x = 58,032,810,000/161,408
6. Step 6: Final answer
   x = 359,541.10