Finding the Third Proportional to 24,689.81 and 54,421.88

Step by Step Solution

1. Step 1: Write the proportion equation
   24,689.81 : 54,421.88 = 54,421.88 : x
2. Step 2: Convert to fraction form
   24,689.81/54,421.88 = 54,421.88/x
3. Step 3: Cross multiply
   24,689.81x = 54,421.88 × 54,421.88
4. Step 4: Simplify right side
   24,689.81x = 2,961,740,478.52
5. Step 5: Solve for x
   x = 2,961,740,478.52/24,689.81
6. Step 6: Final answer
   x = 119,958.00