Finding the Third Proportional to 150,912 and 328,066

Step by Step Solution

1. Step 1: Write the proportion equation
   150,912 : 328,066 = 328,066 : x
2. Step 2: Convert to fraction form
   150,912/328,066 = 328,066/x
3. Step 3: Cross multiply
   150,912x = 328,066 × 328,066
4. Step 4: Simplify right side
   150,912x = 107,627,300,356
5. Step 5: Solve for x
   x = 107,627,300,356/150,912
6. Step 6: Final answer
   x = 713,179.21