Finding the Third Proportional to 116,680.50 and 169,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,680.50 : 169,915.50 = 169,915.50 : x
2. Step 2: Convert to fraction form
   116,680.50/169,915.50 = 169,915.50/x
3. Step 3: Cross multiply
   116,680.50x = 169,915.50 × 169,915.50
4. Step 4: Simplify right side
   116,680.50x = 28,871,277,140.25
5. Step 5: Solve for x
   x = 28,871,277,140.25/116,680.50
6. Step 6: Final answer
   x = 247,438.75