Finding the Third Proportional to 3,337,528 and 7,178,072

Step by Step Solution

1. Step 1: Write the proportion equation
   3,337,528 : 7,178,072 = 7,178,072 : x
2. Step 2: Convert to fraction form
   3,337,528/7,178,072 = 7,178,072/x
3. Step 3: Cross multiply
   3,337,528x = 7,178,072 × 7,178,072
4. Step 4: Simplify right side
   3,337,528x = 51,524,717,637,184
5. Step 5: Solve for x
   x = 51,524,717,637,184/3,337,528
6. Step 6: Final answer
   x = 15,437,988.13