Finding the Third Proportional to 208,904 and 459,280

Step by Step Solution

1. Step 1: Write the proportion equation
   208,904 : 459,280 = 459,280 : x
2. Step 2: Convert to fraction form
   208,904/459,280 = 459,280/x
3. Step 3: Cross multiply
   208,904x = 459,280 × 459,280
4. Step 4: Simplify right side
   208,904x = 210,938,118,400
5. Step 5: Solve for x
   x = 210,938,118,400/208,904
6. Step 6: Final answer
   x = 1,009,737.10