Finding the Third Proportional to 242,841 and 521,362.50

Step by Step Solution

1. Step 1: Write the proportion equation
   242,841 : 521,362.50 = 521,362.50 : x
2. Step 2: Convert to fraction form
   242,841/521,362.50 = 521,362.50/x
3. Step 3: Cross multiply
   242,841x = 521,362.50 × 521,362.50
4. Step 4: Simplify right side
   242,841x = 271,818,856,406.25
5. Step 5: Solve for x
   x = 271,818,856,406.25/242,841
6. Step 6: Final answer
   x = 1,119,328.52