Finding the Third Proportional to 191,286.56 and 418,932

Step by Step Solution

1. Step 1: Write the proportion equation
   191,286.56 : 418,932 = 418,932 : x
2. Step 2: Convert to fraction form
   191,286.56/418,932 = 418,932/x
3. Step 3: Cross multiply
   191,286.56x = 418,932 × 418,932
4. Step 4: Simplify right side
   191,286.56x = 175,504,020,624
5. Step 5: Solve for x
   x = 175,504,020,624/191,286.56
6. Step 6: Final answer
   x = 917,492.68