Finding the Third Proportional to 64,527.50 and 141,519.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,527.50 : 141,519.50 = 141,519.50 : x
2. Step 2: Convert to fraction form
   64,527.50/141,519.50 = 141,519.50/x
3. Step 3: Cross multiply
   64,527.50x = 141,519.50 × 141,519.50
4. Step 4: Simplify right side
   64,527.50x = 20,027,768,880.25
5. Step 5: Solve for x
   x = 20,027,768,880.25/64,527.50
6. Step 6: Final answer
   x = 310,375.71