Finding the Third Proportional to 249,851.25 and 356,088

Step by Step Solution

1. Step 1: Write the proportion equation
   249,851.25 : 356,088 = 356,088 : x
2. Step 2: Convert to fraction form
   249,851.25/356,088 = 356,088/x
3. Step 3: Cross multiply
   249,851.25x = 356,088 × 356,088
4. Step 4: Simplify right side
   249,851.25x = 126,798,663,744
5. Step 5: Solve for x
   x = 126,798,663,744/249,851.25
6. Step 6: Final answer
   x = 507,496.62