Finding the Third Proportional to 488,173.50 and 755,811

Step by Step Solution

1. Step 1: Write the proportion equation
   488,173.50 : 755,811 = 755,811 : x
2. Step 2: Convert to fraction form
   488,173.50/755,811 = 755,811/x
3. Step 3: Cross multiply
   488,173.50x = 755,811 × 755,811
4. Step 4: Simplify right side
   488,173.50x = 571,250,267,721
5. Step 5: Solve for x
   x = 571,250,267,721/488,173.50
6. Step 6: Final answer
   x = 1,170,178.77