Finding the Third Proportional to 1,139,068 and 2,505,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,068 : 2,505,512 = 2,505,512 : x
2. Step 2: Convert to fraction form
   1,139,068/2,505,512 = 2,505,512/x
3. Step 3: Cross multiply
   1,139,068x = 2,505,512 × 2,505,512
4. Step 4: Simplify right side
   1,139,068x = 6,277,590,382,144
5. Step 5: Solve for x
   x = 6,277,590,382,144/1,139,068
6. Step 6: Final answer
   x = 5,511,163.85