Finding the Third Proportional to 303,324 and 436,942.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,324 : 436,942.50 = 436,942.50 : x
2. Step 2: Convert to fraction form
   303,324/436,942.50 = 436,942.50/x
3. Step 3: Cross multiply
   303,324x = 436,942.50 × 436,942.50
4. Step 4: Simplify right side
   303,324x = 190,918,748,306.25
5. Step 5: Solve for x
   x = 190,918,748,306.25/303,324
6. Step 6: Final answer
   x = 629,421.83