Finding the Third Proportional to 3,166,420 and 7,467,274

Step by Step Solution

1. Step 1: Write the proportion equation
   3,166,420 : 7,467,274 = 7,467,274 : x
2. Step 2: Convert to fraction form
   3,166,420/7,467,274 = 7,467,274/x
3. Step 3: Cross multiply
   3,166,420x = 7,467,274 × 7,467,274
4. Step 4: Simplify right side
   3,166,420x = 55,760,180,991,076
5. Step 5: Solve for x
   x = 55,760,180,991,076/3,166,420
6. Step 6: Final answer
   x = 17,609,849.92