Finding the Third Proportional to 20,991 and 32,755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,991 : 32,755.50 = 32,755.50 : x
2. Step 2: Convert to fraction form
   20,991/32,755.50 = 32,755.50/x
3. Step 3: Cross multiply
   20,991x = 32,755.50 × 32,755.50
4. Step 4: Simplify right side
   20,991x = 1,072,922,780.25
5. Step 5: Solve for x
   x = 1,072,922,780.25/20,991
6. Step 6: Final answer
   x = 51,113.47