Finding the Third Proportional to 83,605.50 and 178,551

Step by Step Solution

1. Step 1: Write the proportion equation
   83,605.50 : 178,551 = 178,551 : x
2. Step 2: Convert to fraction form
   83,605.50/178,551 = 178,551/x
3. Step 3: Cross multiply
   83,605.50x = 178,551 × 178,551
4. Step 4: Simplify right side
   83,605.50x = 31,880,459,601
5. Step 5: Solve for x
   x = 31,880,459,601/83,605.50
6. Step 6: Final answer
   x = 381,320.12