Finding the Third Proportional to 318,937 and 433,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   318,937 : 433,333.50 = 433,333.50 : x
2. Step 2: Convert to fraction form
   318,937/433,333.50 = 433,333.50/x
3. Step 3: Cross multiply
   318,937x = 433,333.50 × 433,333.50
4. Step 4: Simplify right side
   318,937x = 187,777,922,222.25
5. Step 5: Solve for x
   x = 187,777,922,222.25/318,937
6. Step 6: Final answer
   x = 588,761.80