Finding the Third Proportional to 2,321,680 and 4,878,368

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321,680 : 4,878,368 = 4,878,368 : x
2. Step 2: Convert to fraction form
   2,321,680/4,878,368 = 4,878,368/x
3. Step 3: Cross multiply
   2,321,680x = 4,878,368 × 4,878,368
4. Step 4: Simplify right side
   2,321,680x = 23,798,474,343,424
5. Step 5: Solve for x
   x = 23,798,474,343,424/2,321,680
6. Step 6: Final answer
   x = 10,250,540.27