Finding the Third Proportional to 205,212 and 448,056

Step by Step Solution

1. Step 1: Write the proportion equation
   205,212 : 448,056 = 448,056 : x
2. Step 2: Convert to fraction form
   205,212/448,056 = 448,056/x
3. Step 3: Cross multiply
   205,212x = 448,056 × 448,056
4. Step 4: Simplify right side
   205,212x = 200,754,179,136
5. Step 5: Solve for x
   x = 200,754,179,136/205,212
6. Step 6: Final answer
   x = 978,277.00