Finding the Third Proportional to 199,409 and 433,810

Step by Step Solution

1. Step 1: Write the proportion equation
   199,409 : 433,810 = 433,810 : x
2. Step 2: Convert to fraction form
   199,409/433,810 = 433,810/x
3. Step 3: Cross multiply
   199,409x = 433,810 × 433,810
4. Step 4: Simplify right side
   199,409x = 188,191,116,100
5. Step 5: Solve for x
   x = 188,191,116,100/199,409
6. Step 6: Final answer
   x = 943,744.35