Finding the Third Proportional to 11,947.50 and 25,990.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,947.50 : 25,990.88 = 25,990.88 : x
2. Step 2: Convert to fraction form
   11,947.50/25,990.88 = 25,990.88/x
3. Step 3: Cross multiply
   11,947.50x = 25,990.88 × 25,990.88
4. Step 4: Simplify right side
   11,947.50x = 675,525,583.27
5. Step 5: Solve for x
   x = 675,525,583.27/11,947.50
6. Step 6: Final answer
   x = 56,541.17