Finding the Third Proportional to 2,742,530 and 5,906,509

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742,530 : 5,906,509 = 5,906,509 : x
2. Step 2: Convert to fraction form
   2,742,530/5,906,509 = 5,906,509/x
3. Step 3: Cross multiply
   2,742,530x = 5,906,509 × 5,906,509
4. Step 4: Simplify right side
   2,742,530x = 34,886,848,567,081
5. Step 5: Solve for x
   x = 34,886,848,567,081/2,742,530
6. Step 6: Final answer
   x = 12,720,680.75