Finding the Third Proportional to 26,620 and 39,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   26,620 : 39,930.50 = 39,930.50 : x
2. Step 2: Convert to fraction form
   26,620/39,930.50 = 39,930.50/x
3. Step 3: Cross multiply
   26,620x = 39,930.50 × 39,930.50
4. Step 4: Simplify right side
   26,620x = 1,594,444,830.25
5. Step 5: Solve for x
   x = 1,594,444,830.25/26,620
6. Step 6: Final answer
   x = 59,896.50