Finding the Third Proportional to 151,783.50 and 330,321

Step by Step Solution

1. Step 1: Write the proportion equation
   151,783.50 : 330,321 = 330,321 : x
2. Step 2: Convert to fraction form
   151,783.50/330,321 = 330,321/x
3. Step 3: Cross multiply
   151,783.50x = 330,321 × 330,321
4. Step 4: Simplify right side
   151,783.50x = 109,111,963,041
5. Step 5: Solve for x
   x = 109,111,963,041/151,783.50
6. Step 6: Final answer
   x = 718,865.77