Finding the Third Proportional to 191,329.50 and 417,105

Step by Step Solution

1. Step 1: Write the proportion equation
   191,329.50 : 417,105 = 417,105 : x
2. Step 2: Convert to fraction form
   191,329.50/417,105 = 417,105/x
3. Step 3: Cross multiply
   191,329.50x = 417,105 × 417,105
4. Step 4: Simplify right side
   191,329.50x = 173,976,581,025
5. Step 5: Solve for x
   x = 173,976,581,025/191,329.50
6. Step 6: Final answer
   x = 909,303.48