Finding the Third Proportional to 3,479,438 and 7,497,739

Step by Step Solution

1. Step 1: Write the proportion equation
   3,479,438 : 7,497,739 = 7,497,739 : x
2. Step 2: Convert to fraction form
   3,479,438/7,497,739 = 7,497,739/x
3. Step 3: Cross multiply
   3,479,438x = 7,497,739 × 7,497,739
4. Step 4: Simplify right side
   3,479,438x = 56,216,090,112,121
5. Step 5: Solve for x
   x = 56,216,090,112,121/3,479,438
6. Step 6: Final answer
   x = 16,156,658.09