Finding the Third Proportional to 19,782,876 and 41,691,192

Step by Step Solution

1. Step 1: Write the proportion equation
   19,782,876 : 41,691,192 = 41,691,192 : x
2. Step 2: Convert to fraction form
   19,782,876/41,691,192 = 41,691,192/x
3. Step 3: Cross multiply
   19,782,876x = 41,691,192 × 41,691,192
4. Step 4: Simplify right side
   19,782,876x = 1,738,155,490,380,864
5. Step 5: Solve for x
   x = 1,738,155,490,380,864/19,782,876
6. Step 6: Final answer
   x = 87,861,617.81