Finding the Third Proportional to 4,518,666 and 9,932,976

Step by Step Solution

1. Step 1: Write the proportion equation
   4,518,666 : 9,932,976 = 9,932,976 : x
2. Step 2: Convert to fraction form
   4,518,666/9,932,976 = 9,932,976/x
3. Step 3: Cross multiply
   4,518,666x = 9,932,976 × 9,932,976
4. Step 4: Simplify right side
   4,518,666x = 98,664,012,216,576
5. Step 5: Solve for x
   x = 98,664,012,216,576/4,518,666
6. Step 6: Final answer
   x = 21,834,765.44