Finding the Third Proportional to 209,038 and 458,108

Step by Step Solution

1. Step 1: Write the proportion equation
   209,038 : 458,108 = 458,108 : x
2. Step 2: Convert to fraction form
   209,038/458,108 = 458,108/x
3. Step 3: Cross multiply
   209,038x = 458,108 × 458,108
4. Step 4: Simplify right side
   209,038x = 209,862,939,664
5. Step 5: Solve for x
   x = 209,862,939,664/209,038
6. Step 6: Final answer
   x = 1,003,946.36