Finding the Third Proportional to 12,515,982 and 25,991,192

Step by Step Solution

1. Step 1: Write the proportion equation
   12,515,982 : 25,991,192 = 25,991,192 : x
2. Step 2: Convert to fraction form
   12,515,982/25,991,192 = 25,991,192/x
3. Step 3: Cross multiply
   12,515,982x = 25,991,192 × 25,991,192
4. Step 4: Simplify right side
   12,515,982x = 675,542,061,580,864
5. Step 5: Solve for x
   x = 675,542,061,580,864/12,515,982
6. Step 6: Final answer
   x = 53,974,355.47