Finding the Third Proportional to 4,237,666 and 9,267,554

Step by Step Solution

1. Step 1: Write the proportion equation
   4,237,666 : 9,267,554 = 9,267,554 : x
2. Step 2: Convert to fraction form
   4,237,666/9,267,554 = 9,267,554/x
3. Step 3: Cross multiply
   4,237,666x = 9,267,554 × 9,267,554
4. Step 4: Simplify right side
   4,237,666x = 85,887,557,142,916
5. Step 5: Solve for x
   x = 85,887,557,142,916/4,237,666
6. Step 6: Final answer
   x = 20,267,656.10