Finding the Third Proportional to 10,988.50 and 25,930

Step by Step Solution

1. Step 1: Write the proportion equation
   10,988.50 : 25,930 = 25,930 : x
2. Step 2: Convert to fraction form
   10,988.50/25,930 = 25,930/x
3. Step 3: Cross multiply
   10,988.50x = 25,930 × 25,930
4. Step 4: Simplify right side
   10,988.50x = 672,364,900
5. Step 5: Solve for x
   x = 672,364,900/10,988.50
6. Step 6: Final answer
   x = 61,188.05