Finding the Third Proportional to 241,321 and 317,341.50

Step by Step Solution

1. Step 1: Write the proportion equation
   241,321 : 317,341.50 = 317,341.50 : x
2. Step 2: Convert to fraction form
   241,321/317,341.50 = 317,341.50/x
3. Step 3: Cross multiply
   241,321x = 317,341.50 × 317,341.50
4. Step 4: Simplify right side
   241,321x = 100,705,627,622.25
5. Step 5: Solve for x
   x = 100,705,627,622.25/241,321
6. Step 6: Final answer
   x = 417,309.84