Finding the Third Proportional to 132,759 and 288,841.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,759 : 288,841.50 = 288,841.50 : x
2. Step 2: Convert to fraction form
   132,759/288,841.50 = 288,841.50/x
3. Step 3: Cross multiply
   132,759x = 288,841.50 × 288,841.50
4. Step 4: Simplify right side
   132,759x = 83,429,412,122.25
5. Step 5: Solve for x
   x = 83,429,412,122.25/132,759
6. Step 6: Final answer
   x = 628,427.54