Finding the Third Proportional to 12,119.25 and 17,779.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,119.25 : 17,779.88 = 17,779.88 : x
2. Step 2: Convert to fraction form
   12,119.25/17,779.88 = 17,779.88/x
3. Step 3: Cross multiply
   12,119.25x = 17,779.88 × 17,779.88
4. Step 4: Simplify right side
   12,119.25x = 316,123,955.02
5. Step 5: Solve for x
   x = 316,123,955.02/12,119.25
6. Step 6: Final answer
   x = 26,084.45