Finding the Third Proportional to 532,072.50 and 782,556

Step by Step Solution

1. Step 1: Write the proportion equation
   532,072.50 : 782,556 = 782,556 : x
2. Step 2: Convert to fraction form
   532,072.50/782,556 = 782,556/x
3. Step 3: Cross multiply
   532,072.50x = 782,556 × 782,556
4. Step 4: Simplify right side
   532,072.50x = 612,393,893,136
5. Step 5: Solve for x
   x = 612,393,893,136/532,072.50
6. Step 6: Final answer
   x = 1,150,959.49