Finding the Third Proportional to 581,678 and 1,230,422

Step by Step Solution

1. Step 1: Write the proportion equation
   581,678 : 1,230,422 = 1,230,422 : x
2. Step 2: Convert to fraction form
   581,678/1,230,422 = 1,230,422/x
3. Step 3: Cross multiply
   581,678x = 1,230,422 × 1,230,422
4. Step 4: Simplify right side
   581,678x = 1,513,938,298,084
5. Step 5: Solve for x
   x = 1,513,938,298,084/581,678
6. Step 6: Final answer
   x = 2,602,708.54