Finding the Third Proportional to 197,136 and 308,846.25

Step by Step Solution

1. Step 1: Write the proportion equation
   197,136 : 308,846.25 = 308,846.25 : x
2. Step 2: Convert to fraction form
   197,136/308,846.25 = 308,846.25/x
3. Step 3: Cross multiply
   197,136x = 308,846.25 × 308,846.25
4. Step 4: Simplify right side
   197,136x = 95,386,006,139.06
5. Step 5: Solve for x
   x = 95,386,006,139.06/197,136
6. Step 6: Final answer
   x = 483,858.89