Finding the Third Proportional to 13,425,884 and 20,648,540

Step by Step Solution

1. Step 1: Write the proportion equation
   13,425,884 : 20,648,540 = 20,648,540 : x
2. Step 2: Convert to fraction form
   13,425,884/20,648,540 = 20,648,540/x
3. Step 3: Cross multiply
   13,425,884x = 20,648,540 × 20,648,540
4. Step 4: Simplify right side
   13,425,884x = 426,362,204,131,600
5. Step 5: Solve for x
   x = 426,362,204,131,600/13,425,884
6. Step 6: Final answer
   x = 31,756,732.30