Finding the Third Proportional to 64,519.50 and 151,818.75

Step by Step Solution

1. Step 1: Write the proportion equation
   64,519.50 : 151,818.75 = 151,818.75 : x
2. Step 2: Convert to fraction form
   64,519.50/151,818.75 = 151,818.75/x
3. Step 3: Cross multiply
   64,519.50x = 151,818.75 × 151,818.75
4. Step 4: Simplify right side
   64,519.50x = 23,048,932,851.56
5. Step 5: Solve for x
   x = 23,048,932,851.56/64,519.50
6. Step 6: Final answer
   x = 357,239.79