Finding the Third Proportional to 133,849.50 and 301,404.75

Step by Step Solution

1. Step 1: Write the proportion equation
   133,849.50 : 301,404.75 = 301,404.75 : x
2. Step 2: Convert to fraction form
   133,849.50/301,404.75 = 301,404.75/x
3. Step 3: Cross multiply
   133,849.50x = 301,404.75 × 301,404.75
4. Step 4: Simplify right side
   133,849.50x = 90,844,823,322.56
5. Step 5: Solve for x
   x = 90,844,823,322.56/133,849.50
6. Step 6: Final answer
   x = 678,708.72