Finding the Third Proportional to 629,116 and 1,368,822

Step by Step Solution

1. Step 1: Write the proportion equation
   629,116 : 1,368,822 = 1,368,822 : x
2. Step 2: Convert to fraction form
   629,116/1,368,822 = 1,368,822/x
3. Step 3: Cross multiply
   629,116x = 1,368,822 × 1,368,822
4. Step 4: Simplify right side
   629,116x = 1,873,673,667,684
5. Step 5: Solve for x
   x = 1,873,673,667,684/629,116
6. Step 6: Final answer
   x = 2,978,264.21