Finding the Third Proportional to 18,899.58 and 27,801.98

Step by Step Solution

1. Step 1: Write the proportion equation
   18,899.58 : 27,801.98 = 27,801.98 : x
2. Step 2: Convert to fraction form
   18,899.58/27,801.98 = 27,801.98/x
3. Step 3: Cross multiply
   18,899.58x = 27,801.98 × 27,801.98
4. Step 4: Simplify right side
   18,899.58x = 772,950,335.19
5. Step 5: Solve for x
   x = 772,950,335.19/18,899.58
6. Step 6: Final answer
   x = 40,897.76