Finding the Third Proportional to 132,057 and 287,692.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,057 : 287,692.50 = 287,692.50 : x
2. Step 2: Convert to fraction form
   132,057/287,692.50 = 287,692.50/x
3. Step 3: Cross multiply
   132,057x = 287,692.50 × 287,692.50
4. Step 4: Simplify right side
   132,057x = 82,766,974,556.25
5. Step 5: Solve for x
   x = 82,766,974,556.25/132,057
6. Step 6: Final answer
   x = 626,751.89