Finding the Third Proportional to 2,116,772 and 4,573,072

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,772 : 4,573,072 = 4,573,072 : x
2. Step 2: Convert to fraction form
   2,116,772/4,573,072 = 4,573,072/x
3. Step 3: Cross multiply
   2,116,772x = 4,573,072 × 4,573,072
4. Step 4: Simplify right side
   2,116,772x = 20,912,987,517,184
5. Step 5: Solve for x
   x = 20,912,987,517,184/2,116,772
6. Step 6: Final answer
   x = 9,879,659.93