Finding the Third Proportional to 210,592 and 497,136

Step by Step Solution

1. Step 1: Write the proportion equation
   210,592 : 497,136 = 497,136 : x
2. Step 2: Convert to fraction form
   210,592/497,136 = 497,136/x
3. Step 3: Cross multiply
   210,592x = 497,136 × 497,136
4. Step 4: Simplify right side
   210,592x = 247,144,202,496
5. Step 5: Solve for x
   x = 247,144,202,496/210,592
6. Step 6: Final answer
   x = 1,173,568.81