Finding the Third Proportional to 8,182,782 and 12,274,173

Step by Step Solution

1. Step 1: Write the proportion equation
   8,182,782 : 12,274,173 = 12,274,173 : x
2. Step 2: Convert to fraction form
   8,182,782/12,274,173 = 12,274,173/x
3. Step 3: Cross multiply
   8,182,782x = 12,274,173 × 12,274,173
4. Step 4: Simplify right side
   8,182,782x = 150,655,322,833,929
5. Step 5: Solve for x
   x = 150,655,322,833,929/8,182,782
6. Step 6: Final answer
   x = 18,411,259.50