Finding the Third Proportional to 91,787 and 123,523

Step by Step Solution

1. Step 1: Write the proportion equation
   91,787 : 123,523 = 123,523 : x
2. Step 2: Convert to fraction form
   91,787/123,523 = 123,523/x
3. Step 3: Cross multiply
   91,787x = 123,523 × 123,523
4. Step 4: Simplify right side
   91,787x = 15,257,931,529
5. Step 5: Solve for x
   x = 15,257,931,529/91,787
6. Step 6: Final answer
   x = 166,231.94