Finding the Third Proportional to 204,280 and 448,870

Step by Step Solution

1. Step 1: Write the proportion equation
   204,280 : 448,870 = 448,870 : x
2. Step 2: Convert to fraction form
   204,280/448,870 = 448,870/x
3. Step 3: Cross multiply
   204,280x = 448,870 × 448,870
4. Step 4: Simplify right side
   204,280x = 201,484,276,900
5. Step 5: Solve for x
   x = 201,484,276,900/204,280
6. Step 6: Final answer
   x = 986,314.26