Finding the Third Proportional to 242,158.50 and 377,955

Step by Step Solution

1. Step 1: Write the proportion equation
   242,158.50 : 377,955 = 377,955 : x
2. Step 2: Convert to fraction form
   242,158.50/377,955 = 377,955/x
3. Step 3: Cross multiply
   242,158.50x = 377,955 × 377,955
4. Step 4: Simplify right side
   242,158.50x = 142,849,982,025
5. Step 5: Solve for x
   x = 142,849,982,025/242,158.50
6. Step 6: Final answer
   x = 589,902.82