Finding the Third Proportional to 239,212 and 375,300

Step by Step Solution

1. Step 1: Write the proportion equation
   239,212 : 375,300 = 375,300 : x
2. Step 2: Convert to fraction form
   239,212/375,300 = 375,300/x
3. Step 3: Cross multiply
   239,212x = 375,300 × 375,300
4. Step 4: Simplify right side
   239,212x = 140,850,090,000
5. Step 5: Solve for x
   x = 140,850,090,000/239,212
6. Step 6: Final answer
   x = 588,808.63