Finding the Third Proportional to 525,766.50 and 787,779

Step by Step Solution

1. Step 1: Write the proportion equation
   525,766.50 : 787,779 = 787,779 : x
2. Step 2: Convert to fraction form
   525,766.50/787,779 = 787,779/x
3. Step 3: Cross multiply
   525,766.50x = 787,779 × 787,779
4. Step 4: Simplify right side
   525,766.50x = 620,595,752,841
5. Step 5: Solve for x
   x = 620,595,752,841/525,766.50
6. Step 6: Final answer
   x = 1,180,363.82