Finding the Third Proportional to 4,201,066 and 9,219,044

Step by Step Solution

1. Step 1: Write the proportion equation
   4,201,066 : 9,219,044 = 9,219,044 : x
2. Step 2: Convert to fraction form
   4,201,066/9,219,044 = 9,219,044/x
3. Step 3: Cross multiply
   4,201,066x = 9,219,044 × 9,219,044
4. Step 4: Simplify right side
   4,201,066x = 84,990,772,273,936
5. Step 5: Solve for x
   x = 84,990,772,273,936/4,201,066
6. Step 6: Final answer
   x = 20,230,763.40