Finding the Third Proportional to 233,311.50 and 511,819.50

Step by Step Solution

1. Step 1: Write the proportion equation
   233,311.50 : 511,819.50 = 511,819.50 : x
2. Step 2: Convert to fraction form
   233,311.50/511,819.50 = 511,819.50/x
3. Step 3: Cross multiply
   233,311.50x = 511,819.50 × 511,819.50
4. Step 4: Simplify right side
   233,311.50x = 261,959,200,580.25
5. Step 5: Solve for x
   x = 261,959,200,580.25/233,311.50
6. Step 6: Final answer
   x = 1,122,787.35