Finding the Third Proportional to 242,610 and 526,451.25

Step by Step Solution

1. Step 1: Write the proportion equation
   242,610 : 526,451.25 = 526,451.25 : x
2. Step 2: Convert to fraction form
   242,610/526,451.25 = 526,451.25/x
3. Step 3: Cross multiply
   242,610x = 526,451.25 × 526,451.25
4. Step 4: Simplify right side
   242,610x = 277,150,918,626.56
5. Step 5: Solve for x
   x = 277,150,918,626.56/242,610
6. Step 6: Final answer
   x = 1,142,372.20