Finding the Third Proportional to 242,244 and 371,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   242,244 : 371,839.50 = 371,839.50 : x
2. Step 2: Convert to fraction form
   242,244/371,839.50 = 371,839.50/x
3. Step 3: Cross multiply
   242,244x = 371,839.50 × 371,839.50
4. Step 4: Simplify right side
   242,244x = 138,264,613,760.25
5. Step 5: Solve for x
   x = 138,264,613,760.25/242,244
6. Step 6: Final answer
   x = 570,765.90