Finding the Third Proportional to 305,262 and 663,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   305,262 : 663,043.50 = 663,043.50 : x
2. Step 2: Convert to fraction form
   305,262/663,043.50 = 663,043.50/x
3. Step 3: Cross multiply
   305,262x = 663,043.50 × 663,043.50
4. Step 4: Simplify right side
   305,262x = 439,626,682,892.25
5. Step 5: Solve for x
   x = 439,626,682,892.25/305,262
6. Step 6: Final answer
   x = 1,440,161.84