Finding the Third Proportional to 655,877 and 1,434,388

Step by Step Solution

1. Step 1: Write the proportion equation
   655,877 : 1,434,388 = 1,434,388 : x
2. Step 2: Convert to fraction form
   655,877/1,434,388 = 1,434,388/x
3. Step 3: Cross multiply
   655,877x = 1,434,388 × 1,434,388
4. Step 4: Simplify right side
   655,877x = 2,057,468,934,544
5. Step 5: Solve for x
   x = 2,057,468,934,544/655,877
6. Step 6: Final answer
   x = 3,136,973.75