Finding the Third Proportional to 155,518.50 and 224,785.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,518.50 : 224,785.50 = 224,785.50 : x
2. Step 2: Convert to fraction form
   155,518.50/224,785.50 = 224,785.50/x
3. Step 3: Cross multiply
   155,518.50x = 224,785.50 × 224,785.50
4. Step 4: Simplify right side
   155,518.50x = 50,528,521,010.25
5. Step 5: Solve for x
   x = 50,528,521,010.25/155,518.50
6. Step 6: Final answer
   x = 324,903.60