Finding the Third Proportional to 2,220,192 and 4,777,173

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220,192 : 4,777,173 = 4,777,173 : x
2. Step 2: Convert to fraction form
   2,220,192/4,777,173 = 4,777,173/x
3. Step 3: Cross multiply
   2,220,192x = 4,777,173 × 4,777,173
4. Step 4: Simplify right side
   2,220,192x = 22,821,381,871,929
5. Step 5: Solve for x
   x = 22,821,381,871,929/2,220,192
6. Step 6: Final answer
   x = 10,279,012.75