Finding the Third Proportional to 2,122,793 and 4,485,186

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122,793 : 4,485,186 = 4,485,186 : x
2. Step 2: Convert to fraction form
   2,122,793/4,485,186 = 4,485,186/x
3. Step 3: Cross multiply
   2,122,793x = 4,485,186 × 4,485,186
4. Step 4: Simplify right side
   2,122,793x = 20,116,893,454,596
5. Step 5: Solve for x
   x = 20,116,893,454,596/2,122,793
6. Step 6: Final answer
   x = 9,476,615.69