Finding the Third Proportional to 1,139,045 and 2,505,466

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,045 : 2,505,466 = 2,505,466 : x
2. Step 2: Convert to fraction form
   1,139,045/2,505,466 = 2,505,466/x
3. Step 3: Cross multiply
   1,139,045x = 2,505,466 × 2,505,466
4. Step 4: Simplify right side
   1,139,045x = 6,277,359,877,156
5. Step 5: Solve for x
   x = 6,277,359,877,156/1,139,045
6. Step 6: Final answer
   x = 5,511,072.76