Finding the Third Proportional to 560,538 and 805,813.50

Step by Step Solution

1. Step 1: Write the proportion equation
   560,538 : 805,813.50 = 805,813.50 : x
2. Step 2: Convert to fraction form
   560,538/805,813.50 = 805,813.50/x
3. Step 3: Cross multiply
   560,538x = 805,813.50 × 805,813.50
4. Step 4: Simplify right side
   560,538x = 649,335,396,782.25
5. Step 5: Solve for x
   x = 649,335,396,782.25/560,538
6. Step 6: Final answer
   x = 1,158,414.59