Finding the Third Proportional to 1,505,215 and 2,145,706

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505,215 : 2,145,706 = 2,145,706 : x
2. Step 2: Convert to fraction form
   1,505,215/2,145,706 = 2,145,706/x
3. Step 3: Cross multiply
   1,505,215x = 2,145,706 × 2,145,706
4. Step 4: Simplify right side
   1,505,215x = 4,604,054,238,436
5. Step 5: Solve for x
   x = 4,604,054,238,436/1,505,215
6. Step 6: Final answer
   x = 3,058,735.29