Finding the Third Proportional to 4,307,642 and 9,397,628

Step by Step Solution

1. Step 1: Write the proportion equation
   4,307,642 : 9,397,628 = 9,397,628 : x
2. Step 2: Convert to fraction form
   4,307,642/9,397,628 = 9,397,628/x
3. Step 3: Cross multiply
   4,307,642x = 9,397,628 × 9,397,628
4. Step 4: Simplify right side
   4,307,642x = 88,315,412,026,384
5. Step 5: Solve for x
   x = 88,315,412,026,384/4,307,642
6. Step 6: Final answer
   x = 20,502,031.51