Finding the Third Proportional to 209,992.50 and 460,809

Step by Step Solution

1. Step 1: Write the proportion equation
   209,992.50 : 460,809 = 460,809 : x
2. Step 2: Convert to fraction form
   209,992.50/460,809 = 460,809/x
3. Step 3: Cross multiply
   209,992.50x = 460,809 × 460,809
4. Step 4: Simplify right side
   209,992.50x = 212,344,934,481
5. Step 5: Solve for x
   x = 212,344,934,481/209,992.50
6. Step 6: Final answer
   x = 1,011,202.47