Finding the Third Proportional to 27,805.78 and 65,612.53

Step by Step Solution

1. Step 1: Write the proportion equation
   27,805.78 : 65,612.53 = 65,612.53 : x
2. Step 2: Convert to fraction form
   27,805.78/65,612.53 = 65,612.53/x
3. Step 3: Cross multiply
   27,805.78x = 65,612.53 × 65,612.53
4. Step 4: Simplify right side
   27,805.78x = 4,305,004,257.03
5. Step 5: Solve for x
   x = 4,305,004,257.03/27,805.78
6. Step 6: Final answer
   x = 154,824.07