Finding the Third Proportional to 209,606 and 452,564

Step by Step Solution

1. Step 1: Write the proportion equation
   209,606 : 452,564 = 452,564 : x
2. Step 2: Convert to fraction form
   209,606/452,564 = 452,564/x
3. Step 3: Cross multiply
   209,606x = 452,564 × 452,564
4. Step 4: Simplify right side
   209,606x = 204,814,174,096
5. Step 5: Solve for x
   x = 204,814,174,096/209,606
6. Step 6: Final answer
   x = 977,138.89