Finding the Third Proportional to 203,112 and 283,954.50

Step by Step Solution

1. Step 1: Write the proportion equation
   203,112 : 283,954.50 = 283,954.50 : x
2. Step 2: Convert to fraction form
   203,112/283,954.50 = 283,954.50/x
3. Step 3: Cross multiply
   203,112x = 283,954.50 × 283,954.50
4. Step 4: Simplify right side
   203,112x = 80,630,158,070.25
5. Step 5: Solve for x
   x = 80,630,158,070.25/203,112
6. Step 6: Final answer
   x = 396,973.88