Finding the Third Proportional to 2,742,406.88 and 5,906,266.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742,406.88 : 5,906,266.88 = 5,906,266.88 : x
2. Step 2: Convert to fraction form
   2,742,406.88/5,906,266.88 = 5,906,266.88/x
3. Step 3: Cross multiply
   2,742,406.88x = 5,906,266.88 × 5,906,266.88
4. Step 4: Simplify right side
   2,742,406.88x = 34,883,988,398,722.27
5. Step 5: Solve for x
   x = 34,883,988,398,722.27/2,742,406.88
6. Step 6: Final answer
   x = 12,720,208.92