Finding the Third Proportional to 570,735 and 856,852.50

Step by Step Solution

1. Step 1: Write the proportion equation
   570,735 : 856,852.50 = 856,852.50 : x
2. Step 2: Convert to fraction form
   570,735/856,852.50 = 856,852.50/x
3. Step 3: Cross multiply
   570,735x = 856,852.50 × 856,852.50
4. Step 4: Simplify right side
   570,735x = 734,196,206,756.25
5. Step 5: Solve for x
   x = 734,196,206,756.25/570,735
6. Step 6: Final answer
   x = 1,286,404.74