Finding the Third Proportional to 191,826 and 300,910

Step by Step Solution

1. Step 1: Write the proportion equation
   191,826 : 300,910 = 300,910 : x
2. Step 2: Convert to fraction form
   191,826/300,910 = 300,910/x
3. Step 3: Cross multiply
   191,826x = 300,910 × 300,910
4. Step 4: Simplify right side
   191,826x = 90,546,828,100
5. Step 5: Solve for x
   x = 90,546,828,100/191,826
6. Step 6: Final answer
   x = 472,025.84