Finding the Third Proportional to 116,915.50 and 252,515

Step by Step Solution

1. Step 1: Write the proportion equation
   116,915.50 : 252,515 = 252,515 : x
2. Step 2: Convert to fraction form
   116,915.50/252,515 = 252,515/x
3. Step 3: Cross multiply
   116,915.50x = 252,515 × 252,515
4. Step 4: Simplify right side
   116,915.50x = 63,763,825,225
5. Step 5: Solve for x
   x = 63,763,825,225/116,915.50
6. Step 6: Final answer
   x = 545,383.85