Finding the Third Proportional to 38,418.75 and 57,071.25

Step by Step Solution

1. Step 1: Write the proportion equation
   38,418.75 : 57,071.25 = 57,071.25 : x
2. Step 2: Convert to fraction form
   38,418.75/57,071.25 = 57,071.25/x
3. Step 3: Cross multiply
   38,418.75x = 57,071.25 × 57,071.25
4. Step 4: Simplify right side
   38,418.75x = 3,257,127,576.56
5. Step 5: Solve for x
   x = 3,257,127,576.56/38,418.75
6. Step 6: Final answer
   x = 84,779.63