Finding the Third Proportional to 870,810 and 1,345,049

Step by Step Solution

1. Step 1: Write the proportion equation
   870,810 : 1,345,049 = 1,345,049 : x
2. Step 2: Convert to fraction form
   870,810/1,345,049 = 1,345,049/x
3. Step 3: Cross multiply
   870,810x = 1,345,049 × 1,345,049
4. Step 4: Simplify right side
   870,810x = 1,809,156,812,401
5. Step 5: Solve for x
   x = 1,809,156,812,401/870,810
6. Step 6: Final answer
   x = 2,077,556.31