Finding the Third Proportional to 2,145,879 and 3,007,651.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,879 : 3,007,651.50 = 3,007,651.50 : x
2. Step 2: Convert to fraction form
   2,145,879/3,007,651.50 = 3,007,651.50/x
3. Step 3: Cross multiply
   2,145,879x = 3,007,651.50 × 3,007,651.50
4. Step 4: Simplify right side
   2,145,879x = 9,045,967,545,452.25
5. Step 5: Solve for x
   x = 9,045,967,545,452.25/2,145,879
6. Step 6: Final answer
   x = 4,215,506.81