Finding the Third Proportional to 656,376 and 1,434,240

Step by Step Solution

1. Step 1: Write the proportion equation
   656,376 : 1,434,240 = 1,434,240 : x
2. Step 2: Convert to fraction form
   656,376/1,434,240 = 1,434,240/x
3. Step 3: Cross multiply
   656,376x = 1,434,240 × 1,434,240
4. Step 4: Simplify right side
   656,376x = 2,057,044,377,600
5. Step 5: Solve for x
   x = 2,057,044,377,600/656,376
6. Step 6: Final answer
   x = 3,133,942.10