Finding the Third Proportional to 2,171,650 and 4,679,894

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,650 : 4,679,894 = 4,679,894 : x
2. Step 2: Convert to fraction form
   2,171,650/4,679,894 = 4,679,894/x
3. Step 3: Cross multiply
   2,171,650x = 4,679,894 × 4,679,894
4. Step 4: Simplify right side
   2,171,650x = 21,901,407,851,236
5. Step 5: Solve for x
   x = 21,901,407,851,236/2,171,650
6. Step 6: Final answer
   x = 10,085,146.25