Finding the Third Proportional to 64,405.50 and 94,743.75

Step by Step Solution

1. Step 1: Write the proportion equation
   64,405.50 : 94,743.75 = 94,743.75 : x
2. Step 2: Convert to fraction form
   64,405.50/94,743.75 = 94,743.75/x
3. Step 3: Cross multiply
   64,405.50x = 94,743.75 × 94,743.75
4. Step 4: Simplify right side
   64,405.50x = 8,976,378,164.06
5. Step 5: Solve for x
   x = 8,976,378,164.06/64,405.50
6. Step 6: Final answer
   x = 139,372.85