Finding the Third Proportional to 656,862 and 1,421,676

Step by Step Solution

1. Step 1: Write the proportion equation
   656,862 : 1,421,676 = 1,421,676 : x
2. Step 2: Convert to fraction form
   656,862/1,421,676 = 1,421,676/x
3. Step 3: Cross multiply
   656,862x = 1,421,676 × 1,421,676
4. Step 4: Simplify right side
   656,862x = 2,021,162,648,976
5. Step 5: Solve for x
   x = 2,021,162,648,976/656,862
6. Step 6: Final answer
   x = 3,076,997.37