Finding the Third Proportional to 208,149 and 491,200.50

Step by Step Solution

1. Step 1: Write the proportion equation
   208,149 : 491,200.50 = 491,200.50 : x
2. Step 2: Convert to fraction form
   208,149/491,200.50 = 491,200.50/x
3. Step 3: Cross multiply
   208,149x = 491,200.50 × 491,200.50
4. Step 4: Simplify right side
   208,149x = 241,277,931,200.25
5. Step 5: Solve for x
   x = 241,277,931,200.25/208,149
6. Step 6: Final answer
   x = 1,159,159.69