Finding the Third Proportional to 66,806 and 103,530

Step by Step Solution

1. Step 1: Write the proportion equation
   66,806 : 103,530 = 103,530 : x
2. Step 2: Convert to fraction form
   66,806/103,530 = 103,530/x
3. Step 3: Cross multiply
   66,806x = 103,530 × 103,530
4. Step 4: Simplify right side
   66,806x = 10,718,460,900
5. Step 5: Solve for x
   x = 10,718,460,900/66,806
6. Step 6: Final answer
   x = 160,441.59