Finding the Third Proportional to 220,906 and 480,916

Step by Step Solution

1. Step 1: Write the proportion equation
   220,906 : 480,916 = 480,916 : x
2. Step 2: Convert to fraction form
   220,906/480,916 = 480,916/x
3. Step 3: Cross multiply
   220,906x = 480,916 × 480,916
4. Step 4: Simplify right side
   220,906x = 231,280,199,056
5. Step 5: Solve for x
   x = 231,280,199,056/220,906
6. Step 6: Final answer
   x = 1,046,962.05