Finding the Third Proportional to 1,778,121 and 2,540,898

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778,121 : 2,540,898 = 2,540,898 : x
2. Step 2: Convert to fraction form
   1,778,121/2,540,898 = 2,540,898/x
3. Step 3: Cross multiply
   1,778,121x = 2,540,898 × 2,540,898
4. Step 4: Simplify right side
   1,778,121x = 6,456,162,646,404
5. Step 5: Solve for x
   x = 6,456,162,646,404/1,778,121
6. Step 6: Final answer
   x = 3,630,890.50