Finding the Third Proportional to 2,663,880 and 4,236,972

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663,880 : 4,236,972 = 4,236,972 : x
2. Step 2: Convert to fraction form
   2,663,880/4,236,972 = 4,236,972/x
3. Step 3: Cross multiply
   2,663,880x = 4,236,972 × 4,236,972
4. Step 4: Simplify right side
   2,663,880x = 17,951,931,728,784
5. Step 5: Solve for x
   x = 17,951,931,728,784/2,663,880
6. Step 6: Final answer
   x = 6,739,016.67