Finding the Third Proportional to 15,291.91 and 33,687.98

Step by Step Solution

1. Step 1: Write the proportion equation
   15,291.91 : 33,687.98 = 33,687.98 : x
2. Step 2: Convert to fraction form
   15,291.91/33,687.98 = 33,687.98/x
3. Step 3: Cross multiply
   15,291.91x = 33,687.98 × 33,687.98
4. Step 4: Simplify right side
   15,291.91x = 1,134,880,291.25
5. Step 5: Solve for x
   x = 1,134,880,291.25/15,291.91
6. Step 6: Final answer
   x = 74,214.40