Finding the Third Proportional to 870,682 and 1,345,426

Step by Step Solution

1. Step 1: Write the proportion equation
   870,682 : 1,345,426 = 1,345,426 : x
2. Step 2: Convert to fraction form
   870,682/1,345,426 = 1,345,426/x
3. Step 3: Cross multiply
   870,682x = 1,345,426 × 1,345,426
4. Step 4: Simplify right side
   870,682x = 1,810,171,121,476
5. Step 5: Solve for x
   x = 1,810,171,121,476/870,682
6. Step 6: Final answer
   x = 2,079,026.70