Finding the Third Proportional to 4,257,052 and 9,143,960

Step by Step Solution

1. Step 1: Write the proportion equation
   4,257,052 : 9,143,960 = 9,143,960 : x
2. Step 2: Convert to fraction form
   4,257,052/9,143,960 = 9,143,960/x
3. Step 3: Cross multiply
   4,257,052x = 9,143,960 × 9,143,960
4. Step 4: Simplify right side
   4,257,052x = 83,612,004,481,600
5. Step 5: Solve for x
   x = 83,612,004,481,600/4,257,052
6. Step 6: Final answer
   x = 19,640,822.92