Finding the Third Proportional to 2,056,920 and 4,429,942

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056,920 : 4,429,942 = 4,429,942 : x
2. Step 2: Convert to fraction form
   2,056,920/4,429,942 = 4,429,942/x
3. Step 3: Cross multiply
   2,056,920x = 4,429,942 × 4,429,942
4. Step 4: Simplify right side
   2,056,920x = 19,624,386,123,364
5. Step 5: Solve for x
   x = 19,624,386,123,364/2,056,920
6. Step 6: Final answer
   x = 9,540,665.72