Finding the Third Proportional to 4,277,546 and 8,908,930

Step by Step Solution

1. Step 1: Write the proportion equation
   4,277,546 : 8,908,930 = 8,908,930 : x
2. Step 2: Convert to fraction form
   4,277,546/8,908,930 = 8,908,930/x
3. Step 3: Cross multiply
   4,277,546x = 8,908,930 × 8,908,930
4. Step 4: Simplify right side
   4,277,546x = 79,369,033,744,900
5. Step 5: Solve for x
   x = 79,369,033,744,900/4,277,546
6. Step 6: Final answer
   x = 18,554,805.43