Finding the Third Proportional to 4,483,122 and 9,728,292

Step by Step Solution

1. Step 1: Write the proportion equation
   4,483,122 : 9,728,292 = 9,728,292 : x
2. Step 2: Convert to fraction form
   4,483,122/9,728,292 = 9,728,292/x
3. Step 3: Cross multiply
   4,483,122x = 9,728,292 × 9,728,292
4. Step 4: Simplify right side
   4,483,122x = 94,639,665,237,264
5. Step 5: Solve for x
   x = 94,639,665,237,264/4,483,122
6. Step 6: Final answer
   x = 21,110,214.10