Finding the Third Proportional to 242,436 and 528,932

Step by Step Solution

1. Step 1: Write the proportion equation
   242,436 : 528,932 = 528,932 : x
2. Step 2: Convert to fraction form
   242,436/528,932 = 528,932/x
3. Step 3: Cross multiply
   242,436x = 528,932 × 528,932
4. Step 4: Simplify right side
   242,436x = 279,769,060,624
5. Step 5: Solve for x
   x = 279,769,060,624/242,436
6. Step 6: Final answer
   x = 1,153,991.41