Finding the Third Proportional to 656,876 and 1,436,440

Step by Step Solution

1. Step 1: Write the proportion equation
   656,876 : 1,436,440 = 1,436,440 : x
2. Step 2: Convert to fraction form
   656,876/1,436,440 = 1,436,440/x
3. Step 3: Cross multiply
   656,876x = 1,436,440 × 1,436,440
4. Step 4: Simplify right side
   656,876x = 2,063,359,873,600
5. Step 5: Solve for x
   x = 2,063,359,873,600/656,876
6. Step 6: Final answer
   x = 3,141,171.05