Finding the Third Proportional to 155,208 and 240,403.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,208 : 240,403.50 = 240,403.50 : x
2. Step 2: Convert to fraction form
   155,208/240,403.50 = 240,403.50/x
3. Step 3: Cross multiply
   155,208x = 240,403.50 × 240,403.50
4. Step 4: Simplify right side
   155,208x = 57,793,842,812.25
5. Step 5: Solve for x
   x = 57,793,842,812.25/155,208
6. Step 6: Final answer
   x = 372,363.81