Finding the Third Proportional to 2,515,819.50 and 5,429,976.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515,819.50 : 5,429,976.75 = 5,429,976.75 : x
2. Step 2: Convert to fraction form
   2,515,819.50/5,429,976.75 = 5,429,976.75/x
3. Step 3: Cross multiply
   2,515,819.50x = 5,429,976.75 × 5,429,976.75
4. Step 4: Simplify right side
   2,515,819.50x = 29,484,647,505,540.56
5. Step 5: Solve for x
   x = 29,484,647,505,540.56/2,515,819.50
6. Step 6: Final answer
   x = 11,719,699.09