Finding the Third Proportional to 2,515,416.75 and 5,429,185.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515,416.75 : 5,429,185.88 = 5,429,185.88 : x
2. Step 2: Convert to fraction form
   2,515,416.75/5,429,185.88 = 5,429,185.88/x
3. Step 3: Cross multiply
   2,515,416.75x = 5,429,185.88 × 5,429,185.88
4. Step 4: Simplify right side
   2,515,416.75x = 29,476,059,265,299.52
5. Step 5: Solve for x
   x = 29,476,059,265,299.52/2,515,416.75
6. Step 6: Final answer
   x = 11,718,161.32