Finding the Third Proportional to 132,441 and 288,528.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,441 : 288,528.50 = 288,528.50 : x
2. Step 2: Convert to fraction form
   132,441/288,528.50 = 288,528.50/x
3. Step 3: Cross multiply
   132,441x = 288,528.50 × 288,528.50
4. Step 4: Simplify right side
   132,441x = 83,248,695,312.25
5. Step 5: Solve for x
   x = 83,248,695,312.25/132,441
6. Step 6: Final answer
   x = 628,571.93