Finding the Third Proportional to 10,991.95 and 26,568.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,991.95 : 26,568.63 = 26,568.63 : x
2. Step 2: Convert to fraction form
   10,991.95/26,568.63 = 26,568.63/x
3. Step 3: Cross multiply
   10,991.95x = 26,568.63 × 26,568.63
4. Step 4: Simplify right side
   10,991.95x = 705,892,249.53
5. Step 5: Solve for x
   x = 705,892,249.53/10,991.95
6. Step 6: Final answer
   x = 64,219.00