Finding the Third Proportional to 2,500,078 and 3,539,905

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500,078 : 3,539,905 = 3,539,905 : x
2. Step 2: Convert to fraction form
   2,500,078/3,539,905 = 3,539,905/x
3. Step 3: Cross multiply
   2,500,078x = 3,539,905 × 3,539,905
4. Step 4: Simplify right side
   2,500,078x = 12,530,927,409,025
5. Step 5: Solve for x
   x = 12,530,927,409,025/2,500,078
6. Step 6: Final answer
   x = 5,012,214.58