Finding the Third Proportional to 213,588 and 469,810

Step by Step Solution

1. Step 1: Write the proportion equation
   213,588 : 469,810 = 469,810 : x
2. Step 2: Convert to fraction form
   213,588/469,810 = 469,810/x
3. Step 3: Cross multiply
   213,588x = 469,810 × 469,810
4. Step 4: Simplify right side
   213,588x = 220,721,436,100
5. Step 5: Solve for x
   x = 220,721,436,100/213,588
6. Step 6: Final answer
   x = 1,033,398.11