Finding the Third Proportional to 132,756 and 288,835.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,756 : 288,835.50 = 288,835.50 : x
2. Step 2: Convert to fraction form
   132,756/288,835.50 = 288,835.50/x
3. Step 3: Cross multiply
   132,756x = 288,835.50 × 288,835.50
4. Step 4: Simplify right side
   132,756x = 83,425,946,060.25
5. Step 5: Solve for x
   x = 83,425,946,060.25/132,756
6. Step 6: Final answer
   x = 628,415.64