Finding the Third Proportional to 2,261,876 and 4,878,018

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261,876 : 4,878,018 = 4,878,018 : x
2. Step 2: Convert to fraction form
   2,261,876/4,878,018 = 4,878,018/x
3. Step 3: Cross multiply
   2,261,876x = 4,878,018 × 4,878,018
4. Step 4: Simplify right side
   2,261,876x = 23,795,059,608,324
5. Step 5: Solve for x
   x = 23,795,059,608,324/2,261,876
6. Step 6: Final answer
   x = 10,520,054.86