Finding the Third Proportional to 580,742 and 1,250,456

Step by Step Solution

1. Step 1: Write the proportion equation
   580,742 : 1,250,456 = 1,250,456 : x
2. Step 2: Convert to fraction form
   580,742/1,250,456 = 1,250,456/x
3. Step 3: Cross multiply
   580,742x = 1,250,456 × 1,250,456
4. Step 4: Simplify right side
   580,742x = 1,563,640,207,936
5. Step 5: Solve for x
   x = 1,563,640,207,936/580,742
6. Step 6: Final answer
   x = 2,692,486.87