Finding the Third Proportional to 152,235 and 330,403.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,235 : 330,403.50 = 330,403.50 : x
2. Step 2: Convert to fraction form
   152,235/330,403.50 = 330,403.50/x
3. Step 3: Cross multiply
   152,235x = 330,403.50 × 330,403.50
4. Step 4: Simplify right side
   152,235x = 109,166,472,812.25
5. Step 5: Solve for x
   x = 109,166,472,812.25/152,235
6. Step 6: Final answer
   x = 717,091.82