Finding the Third Proportional to 153,288.50 and 335,089

Step by Step Solution

1. Step 1: Write the proportion equation
   153,288.50 : 335,089 = 335,089 : x
2. Step 2: Convert to fraction form
   153,288.50/335,089 = 335,089/x
3. Step 3: Cross multiply
   153,288.50x = 335,089 × 335,089
4. Step 4: Simplify right side
   153,288.50x = 112,284,637,921
5. Step 5: Solve for x
   x = 112,284,637,921/153,288.50
6. Step 6: Final answer
   x = 732,505.30