Finding the Third Proportional to 4,500,831 and 9,705,498

Step by Step Solution

1. Step 1: Write the proportion equation
   4,500,831 : 9,705,498 = 9,705,498 : x
2. Step 2: Convert to fraction form
   4,500,831/9,705,498 = 9,705,498/x
3. Step 3: Cross multiply
   4,500,831x = 9,705,498 × 9,705,498
4. Step 4: Simplify right side
   4,500,831x = 94,196,691,428,004
5. Step 5: Solve for x
   x = 94,196,691,428,004/4,500,831
6. Step 6: Final answer
   x = 20,928,733.26