Finding the Third Proportional to 656,174 and 1,364,728

Step by Step Solution

1. Step 1: Write the proportion equation
   656,174 : 1,364,728 = 1,364,728 : x
2. Step 2: Convert to fraction form
   656,174/1,364,728 = 1,364,728/x
3. Step 3: Cross multiply
   656,174x = 1,364,728 × 1,364,728
4. Step 4: Simplify right side
   656,174x = 1,862,482,513,984
5. Step 5: Solve for x
   x = 1,862,482,513,984/656,174
6. Step 6: Final answer
   x = 2,838,397.31