Finding the Third Proportional to 3,509,136 and 7,540,428

Step by Step Solution

1. Step 1: Write the proportion equation
   3,509,136 : 7,540,428 = 7,540,428 : x
2. Step 2: Convert to fraction form
   3,509,136/7,540,428 = 7,540,428/x
3. Step 3: Cross multiply
   3,509,136x = 7,540,428 × 7,540,428
4. Step 4: Simplify right side
   3,509,136x = 56,858,054,423,184
5. Step 5: Solve for x
   x = 56,858,054,423,184/3,509,136
6. Step 6: Final answer
   x = 16,202,864.30