Finding the Third Proportional to 629,808 and 1,356,384

Step by Step Solution

1. Step 1: Write the proportion equation
   629,808 : 1,356,384 = 1,356,384 : x
2. Step 2: Convert to fraction form
   629,808/1,356,384 = 1,356,384/x
3. Step 3: Cross multiply
   629,808x = 1,356,384 × 1,356,384
4. Step 4: Simplify right side
   629,808x = 1,839,777,555,456
5. Step 5: Solve for x
   x = 1,839,777,555,456/629,808
6. Step 6: Final answer
   x = 2,921,172.10