Finding the Third Proportional to 4,571,079 and 9,520,494

Step by Step Solution

1. Step 1: Write the proportion equation
   4,571,079 : 9,520,494 = 9,520,494 : x
2. Step 2: Convert to fraction form
   4,571,079/9,520,494 = 9,520,494/x
3. Step 3: Cross multiply
   4,571,079x = 9,520,494 × 9,520,494
4. Step 4: Simplify right side
   4,571,079x = 90,639,806,004,036
5. Step 5: Solve for x
   x = 90,639,806,004,036/4,571,079
6. Step 6: Final answer
   x = 19,828,973.86