Finding the Third Proportional to 151,668 and 330,090.75

Step by Step Solution

1. Step 1: Write the proportion equation
   151,668 : 330,090.75 = 330,090.75 : x
2. Step 2: Convert to fraction form
   151,668/330,090.75 = 330,090.75/x
3. Step 3: Cross multiply
   151,668x = 330,090.75 × 330,090.75
4. Step 4: Simplify right side
   151,668x = 108,959,903,235.56
5. Step 5: Solve for x
   x = 108,959,903,235.56/151,668
6. Step 6: Final answer
   x = 718,410.63