Finding the Third Proportional to 191,676 and 416,508

Step by Step Solution

1. Step 1: Write the proportion equation
   191,676 : 416,508 = 416,508 : x
2. Step 2: Convert to fraction form
   191,676/416,508 = 416,508/x
3. Step 3: Cross multiply
   191,676x = 416,508 × 416,508
4. Step 4: Simplify right side
   191,676x = 173,478,914,064
5. Step 5: Solve for x
   x = 173,478,914,064/191,676
6. Step 6: Final answer
   x = 905,063.31