Finding the Third Proportional to 196,441 and 428,865.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,441 : 428,865.50 = 428,865.50 : x
2. Step 2: Convert to fraction form
   196,441/428,865.50 = 428,865.50/x
3. Step 3: Cross multiply
   196,441x = 428,865.50 × 428,865.50
4. Step 4: Simplify right side
   196,441x = 183,925,617,090.25
5. Step 5: Solve for x
   x = 183,925,617,090.25/196,441
6. Step 6: Final answer
   x = 936,289.35