Finding the Third Proportional to 27,605.50 and 43,730.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,605.50 : 43,730.50 = 43,730.50 : x
2. Step 2: Convert to fraction form
   27,605.50/43,730.50 = 43,730.50/x
3. Step 3: Cross multiply
   27,605.50x = 43,730.50 × 43,730.50
4. Step 4: Simplify right side
   27,605.50x = 1,912,356,630.25
5. Step 5: Solve for x
   x = 1,912,356,630.25/27,605.50
6. Step 6: Final answer
   x = 69,274.48