Finding the Third Proportional to 208,132 and 491,158

Step by Step Solution

1. Step 1: Write the proportion equation
   208,132 : 491,158 = 491,158 : x
2. Step 2: Convert to fraction form
   208,132/491,158 = 491,158/x
3. Step 3: Cross multiply
   208,132x = 491,158 × 491,158
4. Step 4: Simplify right side
   208,132x = 241,236,180,964
5. Step 5: Solve for x
   x = 241,236,180,964/208,132
6. Step 6: Final answer
   x = 1,159,053.78