Finding the Third Proportional to 906,172 and 1,439,616

Step by Step Solution

1. Step 1: Write the proportion equation
   906,172 : 1,439,616 = 1,439,616 : x
2. Step 2: Convert to fraction form
   906,172/1,439,616 = 1,439,616/x
3. Step 3: Cross multiply
   906,172x = 1,439,616 × 1,439,616
4. Step 4: Simplify right side
   906,172x = 2,072,494,227,456
5. Step 5: Solve for x
   x = 2,072,494,227,456/906,172
6. Step 6: Final answer
   x = 2,287,087.03