Finding the Third Proportional to 196,492.50 and 401,229

Step by Step Solution

1. Step 1: Write the proportion equation
   196,492.50 : 401,229 = 401,229 : x
2. Step 2: Convert to fraction form
   196,492.50/401,229 = 401,229/x
3. Step 3: Cross multiply
   196,492.50x = 401,229 × 401,229
4. Step 4: Simplify right side
   196,492.50x = 160,984,710,441
5. Step 5: Solve for x
   x = 160,984,710,441/196,492.50
6. Step 6: Final answer
   x = 819,291.88