Finding the Third Proportional to 4,417,772 and 9,662,680

Step by Step Solution

1. Step 1: Write the proportion equation
   4,417,772 : 9,662,680 = 9,662,680 : x
2. Step 2: Convert to fraction form
   4,417,772/9,662,680 = 9,662,680/x
3. Step 3: Cross multiply
   4,417,772x = 9,662,680 × 9,662,680
4. Step 4: Simplify right side
   4,417,772x = 93,367,384,782,400
5. Step 5: Solve for x
   x = 93,367,384,782,400/4,417,772
6. Step 6: Final answer
   x = 21,134,496.03