Finding the Third Proportional to 870,756 and 1,345,500

Step by Step Solution

1. Step 1: Write the proportion equation
   870,756 : 1,345,500 = 1,345,500 : x
2. Step 2: Convert to fraction form
   870,756/1,345,500 = 1,345,500/x
3. Step 3: Cross multiply
   870,756x = 1,345,500 × 1,345,500
4. Step 4: Simplify right side
   870,756x = 1,810,370,250,000
5. Step 5: Solve for x
   x = 1,810,370,250,000/870,756
6. Step 6: Final answer
   x = 2,079,078.70