Finding the Third Proportional to 3,740,778 and 8,181,540

Step by Step Solution

1. Step 1: Write the proportion equation
   3,740,778 : 8,181,540 = 8,181,540 : x
2. Step 2: Convert to fraction form
   3,740,778/8,181,540 = 8,181,540/x
3. Step 3: Cross multiply
   3,740,778x = 8,181,540 × 8,181,540
4. Step 4: Simplify right side
   3,740,778x = 66,937,596,771,600
5. Step 5: Solve for x
   x = 66,937,596,771,600/3,740,778
6. Step 6: Final answer
   x = 17,894,030.81