Finding the Third Proportional to 4,545,079 and 9,945,356

Step by Step Solution

1. Step 1: Write the proportion equation
   4,545,079 : 9,945,356 = 9,945,356 : x
2. Step 2: Convert to fraction form
   4,545,079/9,945,356 = 9,945,356/x
3. Step 3: Cross multiply
   4,545,079x = 9,945,356 × 9,945,356
4. Step 4: Simplify right side
   4,545,079x = 98,910,105,966,736
5. Step 5: Solve for x
   x = 98,910,105,966,736/4,545,079
6. Step 6: Final answer
   x = 21,762,021.29