Finding the Third Proportional to 155,037 and 219,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,037 : 219,436.50 = 219,436.50 : x
2. Step 2: Convert to fraction form
   155,037/219,436.50 = 219,436.50/x
3. Step 3: Cross multiply
   155,037x = 219,436.50 × 219,436.50
4. Step 4: Simplify right side
   155,037x = 48,152,377,532.25
5. Step 5: Solve for x
   x = 48,152,377,532.25/155,037
6. Step 6: Final answer
   x = 310,586.36