Finding the Third Proportional to 196,784 and 434,916

Step by Step Solution

1. Step 1: Write the proportion equation
   196,784 : 434,916 = 434,916 : x
2. Step 2: Convert to fraction form
   196,784/434,916 = 434,916/x
3. Step 3: Cross multiply
   196,784x = 434,916 × 434,916
4. Step 4: Simplify right side
   196,784x = 189,151,927,056
5. Step 5: Solve for x
   x = 189,151,927,056/196,784
6. Step 6: Final answer
   x = 961,215.99