Finding the Third Proportional to 9,638,848 and 12,850,366

Step by Step Solution

1. Step 1: Write the proportion equation
   9,638,848 : 12,850,366 = 12,850,366 : x
2. Step 2: Convert to fraction form
   9,638,848/12,850,366 = 12,850,366/x
3. Step 3: Cross multiply
   9,638,848x = 12,850,366 × 12,850,366
4. Step 4: Simplify right side
   9,638,848x = 165,131,906,333,956
5. Step 5: Solve for x
   x = 165,131,906,333,956/9,638,848
6. Step 6: Final answer
   x = 17,131,913.10