Finding the Third Proportional to 132,154 and 288,045.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,154 : 288,045.50 = 288,045.50 : x
2. Step 2: Convert to fraction form
   132,154/288,045.50 = 288,045.50/x
3. Step 3: Cross multiply
   132,154x = 288,045.50 × 288,045.50
4. Step 4: Simplify right side
   132,154x = 82,970,210,070.25
5. Step 5: Solve for x
   x = 82,970,210,070.25/132,154
6. Step 6: Final answer
   x = 627,829.73