Finding the Third Proportional to 162,441 and 243,661.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,441 : 243,661.50 = 243,661.50 : x
2. Step 2: Convert to fraction form
   162,441/243,661.50 = 243,661.50/x
3. Step 3: Cross multiply
   162,441x = 243,661.50 × 243,661.50
4. Step 4: Simplify right side
   162,441x = 59,370,926,582.25
5. Step 5: Solve for x
   x = 59,370,926,582.25/162,441
6. Step 6: Final answer
   x = 365,492.25