Finding the Third Proportional to 249,313.50 and 363,054

Step by Step Solution

1. Step 1: Write the proportion equation
   249,313.50 : 363,054 = 363,054 : x
2. Step 2: Convert to fraction form
   249,313.50/363,054 = 363,054/x
3. Step 3: Cross multiply
   249,313.50x = 363,054 × 363,054
4. Step 4: Simplify right side
   249,313.50x = 131,808,206,916
5. Step 5: Solve for x
   x = 131,808,206,916/249,313.50
6. Step 6: Final answer
   x = 528,684.60