Finding the Third Proportional to 530,181 and 819,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   530,181 : 819,103.50 = 819,103.50 : x
2. Step 2: Convert to fraction form
   530,181/819,103.50 = 819,103.50/x
3. Step 3: Cross multiply
   530,181x = 819,103.50 × 819,103.50
4. Step 4: Simplify right side
   530,181x = 670,930,543,712.25
5. Step 5: Solve for x
   x = 670,930,543,712.25/530,181
6. Step 6: Final answer
   x = 1,265,474.51