Finding the Third Proportional to 5,498.58 and 12,090.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,498.58 : 12,090.59 = 12,090.59 : x
2. Step 2: Convert to fraction form
   5,498.58/12,090.59 = 12,090.59/x
3. Step 3: Cross multiply
   5,498.58x = 12,090.59 × 12,090.59
4. Step 4: Simplify right side
   5,498.58x = 146,182,268.31
5. Step 5: Solve for x
   x = 146,182,268.31/5,498.58
6. Step 6: Final answer
   x = 26,585.47