Finding the Third Proportional to 168,459.75 and 254,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,459.75 : 254,443.50 = 254,443.50 : x
2. Step 2: Convert to fraction form
   168,459.75/254,443.50 = 254,443.50/x
3. Step 3: Cross multiply
   168,459.75x = 254,443.50 × 254,443.50
4. Step 4: Simplify right side
   168,459.75x = 64,741,494,692.25
5. Step 5: Solve for x
   x = 64,741,494,692.25/168,459.75
6. Step 6: Final answer
   x = 384,314.32