Finding the Third Proportional to 191,862 and 418,662

Step by Step Solution

1. Step 1: Write the proportion equation
   191,862 : 418,662 = 418,662 : x
2. Step 2: Convert to fraction form
   191,862/418,662 = 418,662/x
3. Step 3: Cross multiply
   191,862x = 418,662 × 418,662
4. Step 4: Simplify right side
   191,862x = 175,277,870,244
5. Step 5: Solve for x
   x = 175,277,870,244/191,862
6. Step 6: Final answer
   x = 913,562.20