Finding the Third Proportional to 197,403 and 281,341.50

Step by Step Solution

1. Step 1: Write the proportion equation
   197,403 : 281,341.50 = 281,341.50 : x
2. Step 2: Convert to fraction form
   197,403/281,341.50 = 281,341.50/x
3. Step 3: Cross multiply
   197,403x = 281,341.50 × 281,341.50
4. Step 4: Simplify right side
   197,403x = 79,153,039,622.25
5. Step 5: Solve for x
   x = 79,153,039,622.25/197,403
6. Step 6: Final answer
   x = 400,971.82