Finding the Third Proportional to 1,214,631 and 2,658,078

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,631 : 2,658,078 = 2,658,078 : x
2. Step 2: Convert to fraction form
   1,214,631/2,658,078 = 2,658,078/x
3. Step 3: Cross multiply
   1,214,631x = 2,658,078 × 2,658,078
4. Step 4: Simplify right side
   1,214,631x = 7,065,378,654,084
5. Step 5: Solve for x
   x = 7,065,378,654,084/1,214,631
6. Step 6: Final answer
   x = 5,816,893.08