Finding the Third Proportional to 193,992 and 418,564.50

Step by Step Solution

1. Step 1: Write the proportion equation
   193,992 : 418,564.50 = 418,564.50 : x
2. Step 2: Convert to fraction form
   193,992/418,564.50 = 418,564.50/x
3. Step 3: Cross multiply
   193,992x = 418,564.50 × 418,564.50
4. Step 4: Simplify right side
   193,992x = 175,196,240,660.25
5. Step 5: Solve for x
   x = 175,196,240,660.25/193,992
6. Step 6: Final answer
   x = 903,110.65