Finding the Third Proportional to 656,656 and 1,437,866

Step by Step Solution

1. Step 1: Write the proportion equation
   656,656 : 1,437,866 = 1,437,866 : x
2. Step 2: Convert to fraction form
   656,656/1,437,866 = 1,437,866/x
3. Step 3: Cross multiply
   656,656x = 1,437,866 × 1,437,866
4. Step 4: Simplify right side
   656,656x = 2,067,458,633,956
5. Step 5: Solve for x
   x = 2,067,458,633,956/656,656
6. Step 6: Final answer
   x = 3,148,465.31