Finding the Third Proportional to 656,118 and 1,435,678

Step by Step Solution

1. Step 1: Write the proportion equation
   656,118 : 1,435,678 = 1,435,678 : x
2. Step 2: Convert to fraction form
   656,118/1,435,678 = 1,435,678/x
3. Step 3: Cross multiply
   656,118x = 1,435,678 × 1,435,678
4. Step 4: Simplify right side
   656,118x = 2,061,171,319,684
5. Step 5: Solve for x
   x = 2,061,171,319,684/656,118
6. Step 6: Final answer
   x = 3,141,464.37