Finding the Third Proportional to 2,321,667 and 4,878,342

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321,667 : 4,878,342 = 4,878,342 : x
2. Step 2: Convert to fraction form
   2,321,667/4,878,342 = 4,878,342/x
3. Step 3: Cross multiply
   2,321,667x = 4,878,342 × 4,878,342
4. Step 4: Simplify right side
   2,321,667x = 23,798,220,668,964
5. Step 5: Solve for x
   x = 23,798,220,668,964/2,321,667
6. Step 6: Final answer
   x = 10,250,488.41