Finding the Third Proportional to 152,595 and 331,459.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,595 : 331,459.50 = 331,459.50 : x
2. Step 2: Convert to fraction form
   152,595/331,459.50 = 331,459.50/x
3. Step 3: Cross multiply
   152,595x = 331,459.50 × 331,459.50
4. Step 4: Simplify right side
   152,595x = 109,865,400,140.25
5. Step 5: Solve for x
   x = 109,865,400,140.25/152,595
6. Step 6: Final answer
   x = 719,980.34