Finding the Third Proportional to 13,879.50 and 30,295.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,879.50 : 30,295.50 = 30,295.50 : x
2. Step 2: Convert to fraction form
   13,879.50/30,295.50 = 30,295.50/x
3. Step 3: Cross multiply
   13,879.50x = 30,295.50 × 30,295.50
4. Step 4: Simplify right side
   13,879.50x = 917,817,320.25
5. Step 5: Solve for x
   x = 917,817,320.25/13,879.50
6. Step 6: Final answer
   x = 66,127.55