Finding the Third Proportional to 208,572 and 458,616

Step by Step Solution

1. Step 1: Write the proportion equation
   208,572 : 458,616 = 458,616 : x
2. Step 2: Convert to fraction form
   208,572/458,616 = 458,616/x
3. Step 3: Cross multiply
   208,572x = 458,616 × 458,616
4. Step 4: Simplify right side
   208,572x = 210,328,635,456
5. Step 5: Solve for x
   x = 210,328,635,456/208,572
6. Step 6: Final answer
   x = 1,008,422.20