Finding the Third Proportional to 27,789.75 and 61,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,789.75 : 61,141.50 = 61,141.50 : x
2. Step 2: Convert to fraction form
   27,789.75/61,141.50 = 61,141.50/x
3. Step 3: Cross multiply
   27,789.75x = 61,141.50 × 61,141.50
4. Step 4: Simplify right side
   27,789.75x = 3,738,283,022.25
5. Step 5: Solve for x
   x = 3,738,283,022.25/27,789.75
6. Step 6: Final answer
   x = 134,520.21