Finding the Third Proportional to 7,013,135 and 9,503,638

Step by Step Solution

1. Step 1: Write the proportion equation
   7,013,135 : 9,503,638 = 9,503,638 : x
2. Step 2: Convert to fraction form
   7,013,135/9,503,638 = 9,503,638/x
3. Step 3: Cross multiply
   7,013,135x = 9,503,638 × 9,503,638
4. Step 4: Simplify right side
   7,013,135x = 90,319,135,235,044
5. Step 5: Solve for x
   x = 90,319,135,235,044/7,013,135
6. Step 6: Final answer
   x = 12,878,567.89