Finding the Third Proportional to 9,143,342 and 12,453,662

Step by Step Solution

1. Step 1: Write the proportion equation
   9,143,342 : 12,453,662 = 12,453,662 : x
2. Step 2: Convert to fraction form
   9,143,342/12,453,662 = 12,453,662/x
3. Step 3: Cross multiply
   9,143,342x = 12,453,662 × 12,453,662
4. Step 4: Simplify right side
   9,143,342x = 155,093,697,210,244
5. Step 5: Solve for x
   x = 155,093,697,210,244/9,143,342
6. Step 6: Final answer
   x = 16,962,473.59