Finding the Third Proportional to 131,751 and 288,108

Step by Step Solution

1. Step 1: Write the proportion equation
   131,751 : 288,108 = 288,108 : x
2. Step 2: Convert to fraction form
   131,751/288,108 = 288,108/x
3. Step 3: Cross multiply
   131,751x = 288,108 × 288,108
4. Step 4: Simplify right side
   131,751x = 83,006,219,664
5. Step 5: Solve for x
   x = 83,006,219,664/131,751
6. Step 6: Final answer
   x = 630,023.45