Finding the Third Proportional to 64,518.50 and 94,879.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,518.50 : 94,879.50 = 94,879.50 : x
2. Step 2: Convert to fraction form
   64,518.50/94,879.50 = 94,879.50/x
3. Step 3: Cross multiply
   64,518.50x = 94,879.50 × 94,879.50
4. Step 4: Simplify right side
   64,518.50x = 9,002,119,520.25
5. Step 5: Solve for x
   x = 9,002,119,520.25/64,518.50
6. Step 6: Final answer
   x = 139,527.72