Finding the Third Proportional to 191,499.75 and 303,090.75

Step by Step Solution

1. Step 1: Write the proportion equation
   191,499.75 : 303,090.75 = 303,090.75 : x
2. Step 2: Convert to fraction form
   191,499.75/303,090.75 = 303,090.75/x
3. Step 3: Cross multiply
   191,499.75x = 303,090.75 × 303,090.75
4. Step 4: Simplify right side
   191,499.75x = 91,864,002,735.56
5. Step 5: Solve for x
   x = 91,864,002,735.56/191,499.75
6. Step 6: Final answer
   x = 479,708.21