Finding the Third Proportional to 67,091 and 144,692.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,091 : 144,692.50 = 144,692.50 : x
2. Step 2: Convert to fraction form
   67,091/144,692.50 = 144,692.50/x
3. Step 3: Cross multiply
   67,091x = 144,692.50 × 144,692.50
4. Step 4: Simplify right side
   67,091x = 20,935,919,556.25
5. Step 5: Solve for x
   x = 20,935,919,556.25/67,091
6. Step 6: Final answer
   x = 312,052.58