Finding the Third Proportional to 21,991.50 and 28,795.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,991.50 : 28,795.50 = 28,795.50 : x
2. Step 2: Convert to fraction form
   21,991.50/28,795.50 = 28,795.50/x
3. Step 3: Cross multiply
   21,991.50x = 28,795.50 × 28,795.50
4. Step 4: Simplify right side
   21,991.50x = 829,180,820.25
5. Step 5: Solve for x
   x = 829,180,820.25/21,991.50
6. Step 6: Final answer
   x = 37,704.60