Finding the Third Proportional to 4,462,665 and 9,160,554

Step by Step Solution

1. Step 1: Write the proportion equation
   4,462,665 : 9,160,554 = 9,160,554 : x
2. Step 2: Convert to fraction form
   4,462,665/9,160,554 = 9,160,554/x
3. Step 3: Cross multiply
   4,462,665x = 9,160,554 × 9,160,554
4. Step 4: Simplify right side
   4,462,665x = 83,915,749,586,916
5. Step 5: Solve for x
   x = 83,915,749,586,916/4,462,665
6. Step 6: Final answer
   x = 18,803,954.50