Finding the Third Proportional to 8,036,223 and 12,129,066

Step by Step Solution

1. Step 1: Write the proportion equation
   8,036,223 : 12,129,066 = 12,129,066 : x
2. Step 2: Convert to fraction form
   8,036,223/12,129,066 = 12,129,066/x
3. Step 3: Cross multiply
   8,036,223x = 12,129,066 × 12,129,066
4. Step 4: Simplify right side
   8,036,223x = 147,114,242,032,356
5. Step 5: Solve for x
   x = 147,114,242,032,356/8,036,223
6. Step 6: Final answer
   x = 18,306,391.20