Finding the Third Proportional to 191,870 and 411,932

Step by Step Solution

1. Step 1: Write the proportion equation
   191,870 : 411,932 = 411,932 : x
2. Step 2: Convert to fraction form
   191,870/411,932 = 411,932/x
3. Step 3: Cross multiply
   191,870x = 411,932 × 411,932
4. Step 4: Simplify right side
   191,870x = 169,687,972,624
5. Step 5: Solve for x
   x = 169,687,972,624/191,870
6. Step 6: Final answer
   x = 884,390.33