Finding the Third Proportional to 1,045,243 and 2,289,779

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045,243 : 2,289,779 = 2,289,779 : x
2. Step 2: Convert to fraction form
   1,045,243/2,289,779 = 2,289,779/x
3. Step 3: Cross multiply
   1,045,243x = 2,289,779 × 2,289,779
4. Step 4: Simplify right side
   1,045,243x = 5,243,087,868,841
5. Step 5: Solve for x
   x = 5,243,087,868,841/1,045,243
6. Step 6: Final answer
   x = 5,016,142.53