Finding the Third Proportional to 9,638,841 and 12,850,353

Step by Step Solution

1. Step 1: Write the proportion equation
   9,638,841 : 12,850,353 = 12,850,353 : x
2. Step 2: Convert to fraction form
   9,638,841/12,850,353 = 12,850,353/x
3. Step 3: Cross multiply
   9,638,841x = 12,850,353 × 12,850,353
4. Step 4: Simplify right side
   9,638,841x = 165,131,572,224,609
5. Step 5: Solve for x
   x = 165,131,572,224,609/9,638,841
6. Step 6: Final answer
   x = 17,131,890.88