Finding the Third Proportional to 2,231,493 and 4,878,756

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231,493 : 4,878,756 = 4,878,756 : x
2. Step 2: Convert to fraction form
   2,231,493/4,878,756 = 4,878,756/x
3. Step 3: Cross multiply
   2,231,493x = 4,878,756 × 4,878,756
4. Step 4: Simplify right side
   2,231,493x = 23,802,260,107,536
5. Step 5: Solve for x
   x = 23,802,260,107,536/2,231,493
6. Step 6: Final answer
   x = 10,666,517.94