Finding the Third Proportional to 132,333 and 288,655.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,333 : 288,655.50 = 288,655.50 : x
2. Step 2: Convert to fraction form
   132,333/288,655.50 = 288,655.50/x
3. Step 3: Cross multiply
   132,333x = 288,655.50 × 288,655.50
4. Step 4: Simplify right side
   132,333x = 83,321,997,680.25
5. Step 5: Solve for x
   x = 83,321,997,680.25/132,333
6. Step 6: Final answer
   x = 629,638.85