Finding the Third Proportional to 2,218,856 and 4,791,276

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,856 : 4,791,276 = 4,791,276 : x
2. Step 2: Convert to fraction form
   2,218,856/4,791,276 = 4,791,276/x
3. Step 3: Cross multiply
   2,218,856x = 4,791,276 × 4,791,276
4. Step 4: Simplify right side
   2,218,856x = 22,956,325,708,176
5. Step 5: Solve for x
   x = 22,956,325,708,176/2,218,856
6. Step 6: Final answer
   x = 10,346,018.72