Finding the Third Proportional to 1,338,816 and 2,942,124

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,816 : 2,942,124 = 2,942,124 : x
2. Step 2: Convert to fraction form
   1,338,816/2,942,124 = 2,942,124/x
3. Step 3: Cross multiply
   1,338,816x = 2,942,124 × 2,942,124
4. Step 4: Simplify right side
   1,338,816x = 8,656,093,631,376
5. Step 5: Solve for x
   x = 8,656,093,631,376/1,338,816
6. Step 6: Final answer
   x = 6,465,484.15