Finding the Third Proportional to 9,143,338 and 12,453,651

Step by Step Solution

1. Step 1: Write the proportion equation
   9,143,338 : 12,453,651 = 12,453,651 : x
2. Step 2: Convert to fraction form
   9,143,338/12,453,651 = 12,453,651/x
3. Step 3: Cross multiply
   9,143,338x = 12,453,651 × 12,453,651
4. Step 4: Simplify right side
   9,143,338x = 155,093,423,229,801
5. Step 5: Solve for x
   x = 155,093,423,229,801/9,143,338
6. Step 6: Final answer
   x = 16,962,451.05