Finding the Third Proportional to 3,733,279 and 7,978,315

Step by Step Solution

1. Step 1: Write the proportion equation
   3,733,279 : 7,978,315 = 7,978,315 : x
2. Step 2: Convert to fraction form
   3,733,279/7,978,315 = 7,978,315/x
3. Step 3: Cross multiply
   3,733,279x = 7,978,315 × 7,978,315
4. Step 4: Simplify right side
   3,733,279x = 63,653,510,239,225
5. Step 5: Solve for x
   x = 63,653,510,239,225/3,733,279
6. Step 6: Final answer
   x = 17,050,295.53