Finding the Third Proportional to 131,958 and 287,596

Step by Step Solution

1. Step 1: Write the proportion equation
   131,958 : 287,596 = 287,596 : x
2. Step 2: Convert to fraction form
   131,958/287,596 = 287,596/x
3. Step 3: Cross multiply
   131,958x = 287,596 × 287,596
4. Step 4: Simplify right side
   131,958x = 82,711,459,216
5. Step 5: Solve for x
   x = 82,711,459,216/131,958
6. Step 6: Final answer
   x = 626,801.40