Finding the Third Proportional to 4,558,941 and 9,728,118

Step by Step Solution

1. Step 1: Write the proportion equation
   4,558,941 : 9,728,118 = 9,728,118 : x
2. Step 2: Convert to fraction form
   4,558,941/9,728,118 = 9,728,118/x
3. Step 3: Cross multiply
   4,558,941x = 9,728,118 × 9,728,118
4. Step 4: Simplify right side
   4,558,941x = 94,636,279,821,924
5. Step 5: Solve for x
   x = 94,636,279,821,924/4,558,941
6. Step 6: Final answer
   x = 20,758,391.00