Finding the Third Proportional to 2,606,311.69 and 3,943,135.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606,311.69 : 3,943,135.69 = 3,943,135.69 : x
2. Step 2: Convert to fraction form
   2,606,311.69/3,943,135.69 = 3,943,135.69/x
3. Step 3: Cross multiply
   2,606,311.69x = 3,943,135.69 × 3,943,135.69
4. Step 4: Simplify right side
   2,606,311.69x = 15,548,319,050,036.10
5. Step 5: Solve for x
   x = 15,548,319,050,036.10/2,606,311.69
6. Step 6: Final answer
   x = 5,965,640.69