Finding the Third Proportional to 196,742 and 423,584.25

Step by Step Solution

1. Step 1: Write the proportion equation
   196,742 : 423,584.25 = 423,584.25 : x
2. Step 2: Convert to fraction form
   196,742/423,584.25 = 423,584.25/x
3. Step 3: Cross multiply
   196,742x = 423,584.25 × 423,584.25
4. Step 4: Simplify right side
   196,742x = 179,423,616,848.06
5. Step 5: Solve for x
   x = 179,423,616,848.06/196,742
6. Step 6: Final answer
   x = 911,974.14