Finding the Third Proportional to 3,355,778 and 7,271,428

Step by Step Solution

1. Step 1: Write the proportion equation
   3,355,778 : 7,271,428 = 7,271,428 : x
2. Step 2: Convert to fraction form
   3,355,778/7,271,428 = 7,271,428/x
3. Step 3: Cross multiply
   3,355,778x = 7,271,428 × 7,271,428
4. Step 4: Simplify right side
   3,355,778x = 52,873,665,159,184
5. Step 5: Solve for x
   x = 52,873,665,159,184/3,355,778
6. Step 6: Final answer
   x = 15,756,008.04