Finding the Third Proportional to 238,420.50 and 334,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,420.50 : 334,150.50 = 334,150.50 : x
2. Step 2: Convert to fraction form
   238,420.50/334,150.50 = 334,150.50/x
3. Step 3: Cross multiply
   238,420.50x = 334,150.50 × 334,150.50
4. Step 4: Simplify right side
   238,420.50x = 111,656,556,650.25
5. Step 5: Solve for x
   x = 111,656,556,650.25/238,420.50
6. Step 6: Final answer
   x = 468,317.77