Finding the Third Proportional to 4,204,420 and 9,222,752

Step by Step Solution

1. Step 1: Write the proportion equation
   4,204,420 : 9,222,752 = 9,222,752 : x
2. Step 2: Convert to fraction form
   4,204,420/9,222,752 = 9,222,752/x
3. Step 3: Cross multiply
   4,204,420x = 9,222,752 × 9,222,752
4. Step 4: Simplify right side
   4,204,420x = 85,059,154,453,504
5. Step 5: Solve for x
   x = 85,059,154,453,504/4,204,420
6. Step 6: Final answer
   x = 20,230,889.03