Finding the Third Proportional to 155,965.50 and 223,038

Step by Step Solution

1. Step 1: Write the proportion equation
   155,965.50 : 223,038 = 223,038 : x
2. Step 2: Convert to fraction form
   155,965.50/223,038 = 223,038/x
3. Step 3: Cross multiply
   155,965.50x = 223,038 × 223,038
4. Step 4: Simplify right side
   155,965.50x = 49,745,949,444
5. Step 5: Solve for x
   x = 49,745,949,444/155,965.50
6. Step 6: Final answer
   x = 318,954.83