Finding the Third Proportional to 92,605.50 and 138,360

Step by Step Solution

1. Step 1: Write the proportion equation
   92,605.50 : 138,360 = 138,360 : x
2. Step 2: Convert to fraction form
   92,605.50/138,360 = 138,360/x
3. Step 3: Cross multiply
   92,605.50x = 138,360 × 138,360
4. Step 4: Simplify right side
   92,605.50x = 19,143,489,600
5. Step 5: Solve for x
   x = 19,143,489,600/92,605.50
6. Step 6: Final answer
   x = 206,720.87