Finding the Third Proportional to 629,128 and 1,368,844

Step by Step Solution

1. Step 1: Write the proportion equation
   629,128 : 1,368,844 = 1,368,844 : x
2. Step 2: Convert to fraction form
   629,128/1,368,844 = 1,368,844/x
3. Step 3: Cross multiply
   629,128x = 1,368,844 × 1,368,844
4. Step 4: Simplify right side
   629,128x = 1,873,733,896,336
5. Step 5: Solve for x
   x = 1,873,733,896,336/629,128
6. Step 6: Final answer
   x = 2,978,303.14