Finding the Third Proportional to 2,321,664 and 4,878,336

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321,664 : 4,878,336 = 4,878,336 : x
2. Step 2: Convert to fraction form
   2,321,664/4,878,336 = 4,878,336/x
3. Step 3: Cross multiply
   2,321,664x = 4,878,336 × 4,878,336
4. Step 4: Simplify right side
   2,321,664x = 23,798,162,128,896
5. Step 5: Solve for x
   x = 23,798,162,128,896/2,321,664
6. Step 6: Final answer
   x = 10,250,476.44