Finding the Third Proportional to 8,182,760 and 12,274,140

Step by Step Solution

1. Step 1: Write the proportion equation
   8,182,760 : 12,274,140 = 12,274,140 : x
2. Step 2: Convert to fraction form
   8,182,760/12,274,140 = 12,274,140/x
3. Step 3: Cross multiply
   8,182,760x = 12,274,140 × 12,274,140
4. Step 4: Simplify right side
   8,182,760x = 150,654,512,739,600
5. Step 5: Solve for x
   x = 150,654,512,739,600/8,182,760
6. Step 6: Final answer
   x = 18,411,210