Finding the Third Proportional to 131,493 and 288,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,493 : 288,013.50 = 288,013.50 : x
2. Step 2: Convert to fraction form
   131,493/288,013.50 = 288,013.50/x
3. Step 3: Cross multiply
   131,493x = 288,013.50 × 288,013.50
4. Step 4: Simplify right side
   131,493x = 82,951,776,182.25
5. Step 5: Solve for x
   x = 82,951,776,182.25/131,493
6. Step 6: Final answer
   x = 630,845.57