Finding the Third Proportional to 4,073,778 and 8,930,988

Step by Step Solution

1. Step 1: Write the proportion equation
   4,073,778 : 8,930,988 = 8,930,988 : x
2. Step 2: Convert to fraction form
   4,073,778/8,930,988 = 8,930,988/x
3. Step 3: Cross multiply
   4,073,778x = 8,930,988 × 8,930,988
4. Step 4: Simplify right side
   4,073,778x = 79,762,546,656,144
5. Step 5: Solve for x
   x = 79,762,546,656,144/4,073,778
6. Step 6: Final answer
   x = 19,579,502.53