Finding the Third Proportional to 203,832 and 432,328.50

Step by Step Solution

1. Step 1: Write the proportion equation
   203,832 : 432,328.50 = 432,328.50 : x
2. Step 2: Convert to fraction form
   203,832/432,328.50 = 432,328.50/x
3. Step 3: Cross multiply
   203,832x = 432,328.50 × 432,328.50
4. Step 4: Simplify right side
   203,832x = 186,907,931,912.25
5. Step 5: Solve for x
   x = 186,907,931,912.25/203,832
6. Step 6: Final answer
   x = 916,970.50