Finding the Third Proportional to 2,540,546 and 5,449,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,546 : 5,449,479.50 = 5,449,479.50 : x
2. Step 2: Convert to fraction form
   2,540,546/5,449,479.50 = 5,449,479.50/x
3. Step 3: Cross multiply
   2,540,546x = 5,449,479.50 × 5,449,479.50
4. Step 4: Simplify right side
   2,540,546x = 29,696,826,820,920.25
5. Step 5: Solve for x
   x = 29,696,826,820,920.25/2,540,546
6. Step 6: Final answer
   x = 11,689,151.40