Finding the Third Proportional to 12,142,123 and 24,771,980

Step by Step Solution

1. Step 1: Write the proportion equation
   12,142,123 : 24,771,980 = 24,771,980 : x
2. Step 2: Convert to fraction form
   12,142,123/24,771,980 = 24,771,980/x
3. Step 3: Cross multiply
   12,142,123x = 24,771,980 × 24,771,980
4. Step 4: Simplify right side
   12,142,123x = 613,650,993,120,400
5. Step 5: Solve for x
   x = 613,650,993,120,400/12,142,123
6. Step 6: Final answer
   x = 50,539,019.67