Finding the Third Proportional to 59,779.50 and 131,169

Step by Step Solution

1. Step 1: Write the proportion equation
   59,779.50 : 131,169 = 131,169 : x
2. Step 2: Convert to fraction form
   59,779.50/131,169 = 131,169/x
3. Step 3: Cross multiply
   59,779.50x = 131,169 × 131,169
4. Step 4: Simplify right side
   59,779.50x = 17,205,306,561
5. Step 5: Solve for x
   x = 17,205,306,561/59,779.50
6. Step 6: Final answer
   x = 287,812.82