Finding the Third Proportional to 208,928 and 493,112

Step by Step Solution

1. Step 1: Write the proportion equation
   208,928 : 493,112 = 493,112 : x
2. Step 2: Convert to fraction form
   208,928/493,112 = 493,112/x
3. Step 3: Cross multiply
   208,928x = 493,112 × 493,112
4. Step 4: Simplify right side
   208,928x = 243,159,444,544
5. Step 5: Solve for x
   x = 243,159,444,544/208,928
6. Step 6: Final answer
   x = 1,163,843.26