Finding the Third Proportional to 196,357.50 and 427,707

Step by Step Solution

1. Step 1: Write the proportion equation
   196,357.50 : 427,707 = 427,707 : x
2. Step 2: Convert to fraction form
   196,357.50/427,707 = 427,707/x
3. Step 3: Cross multiply
   196,357.50x = 427,707 × 427,707
4. Step 4: Simplify right side
   196,357.50x = 182,933,277,849
5. Step 5: Solve for x
   x = 182,933,277,849/196,357.50
6. Step 6: Final answer
   x = 931,633.77