Finding the Third Proportional to 152,563.50 and 330,763.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,563.50 : 330,763.50 = 330,763.50 : x
2. Step 2: Convert to fraction form
   152,563.50/330,763.50 = 330,763.50/x
3. Step 3: Cross multiply
   152,563.50x = 330,763.50 × 330,763.50
4. Step 4: Simplify right side
   152,563.50x = 109,404,492,932.25
5. Step 5: Solve for x
   x = 109,404,492,932.25/152,563.50
6. Step 6: Final answer
   x = 717,107.91