Finding the Third Proportional to 27,889.75 and 61,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,889.75 : 61,315.50 = 61,315.50 : x
2. Step 2: Convert to fraction form
   27,889.75/61,315.50 = 61,315.50/x
3. Step 3: Cross multiply
   27,889.75x = 61,315.50 × 61,315.50
4. Step 4: Simplify right side
   27,889.75x = 3,759,590,540.25
5. Step 5: Solve for x
   x = 3,759,590,540.25/27,889.75
6. Step 6: Final answer
   x = 134,801.87