Finding the Third Proportional to 9,143,348 and 12,453,666

Step by Step Solution

1. Step 1: Write the proportion equation
   9,143,348 : 12,453,666 = 12,453,666 : x
2. Step 2: Convert to fraction form
   9,143,348/12,453,666 = 12,453,666/x
3. Step 3: Cross multiply
   9,143,348x = 12,453,666 × 12,453,666
4. Step 4: Simplify right side
   9,143,348x = 155,093,796,839,556
5. Step 5: Solve for x
   x = 155,093,796,839,556/9,143,348
6. Step 6: Final answer
   x = 16,962,473.36