Finding the Third Proportional to 203,870.50 and 433,985

Step by Step Solution

1. Step 1: Write the proportion equation
   203,870.50 : 433,985 = 433,985 : x
2. Step 2: Convert to fraction form
   203,870.50/433,985 = 433,985/x
3. Step 3: Cross multiply
   203,870.50x = 433,985 × 433,985
4. Step 4: Simplify right side
   203,870.50x = 188,342,980,225
5. Step 5: Solve for x
   x = 188,342,980,225/203,870.50
6. Step 6: Final answer
   x = 923,836.36