Finding the Third Proportional to 66,957 and 103,630.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,957 : 103,630.50 = 103,630.50 : x
2. Step 2: Convert to fraction form
   66,957/103,630.50 = 103,630.50/x
3. Step 3: Cross multiply
   66,957x = 103,630.50 × 103,630.50
4. Step 4: Simplify right side
   66,957x = 10,739,280,530.25
5. Step 5: Solve for x
   x = 10,739,280,530.25/66,957
6. Step 6: Final answer
   x = 160,390.71