Finding the Third Proportional to 242,466 and 526,404

Step by Step Solution

1. Step 1: Write the proportion equation
   242,466 : 526,404 = 526,404 : x
2. Step 2: Convert to fraction form
   242,466/526,404 = 526,404/x
3. Step 3: Cross multiply
   242,466x = 526,404 × 526,404
4. Step 4: Simplify right side
   242,466x = 277,101,171,216
5. Step 5: Solve for x
   x = 277,101,171,216/242,466
6. Step 6: Final answer
   x = 1,142,845.48