Finding the Third Proportional to 4,269,474 and 9,149,130

Step by Step Solution

1. Step 1: Write the proportion equation
   4,269,474 : 9,149,130 = 9,149,130 : x
2. Step 2: Convert to fraction form
   4,269,474/9,149,130 = 9,149,130/x
3. Step 3: Cross multiply
   4,269,474x = 9,149,130 × 9,149,130
4. Step 4: Simplify right side
   4,269,474x = 83,706,579,756,900
5. Step 5: Solve for x
   x = 83,706,579,756,900/4,269,474
6. Step 6: Final answer
   x = 19,605,829.61