Finding the Third Proportional to 208,480 and 491,656

Step by Step Solution

1. Step 1: Write the proportion equation
   208,480 : 491,656 = 491,656 : x
2. Step 2: Convert to fraction form
   208,480/491,656 = 491,656/x
3. Step 3: Cross multiply
   208,480x = 491,656 × 491,656
4. Step 4: Simplify right side
   208,480x = 241,725,622,336
5. Step 5: Solve for x
   x = 241,725,622,336/208,480
6. Step 6: Final answer
   x = 1,159,466.72