Finding the Third Proportional to 236,911.50 and 511,758

Step by Step Solution

1. Step 1: Write the proportion equation
   236,911.50 : 511,758 = 511,758 : x
2. Step 2: Convert to fraction form
   236,911.50/511,758 = 511,758/x
3. Step 3: Cross multiply
   236,911.50x = 511,758 × 511,758
4. Step 4: Simplify right side
   236,911.50x = 261,896,250,564
5. Step 5: Solve for x
   x = 261,896,250,564/236,911.50
6. Step 6: Final answer
   x = 1,105,460.27