Finding the Third Proportional to 39,186.75 and 58,779.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,186.75 : 58,779.38 = 58,779.38 : x
2. Step 2: Convert to fraction form
   39,186.75/58,779.38 = 58,779.38/x
3. Step 3: Cross multiply
   39,186.75x = 58,779.38 × 58,779.38
4. Step 4: Simplify right side
   39,186.75x = 3,455,014,925.39
5. Step 5: Solve for x
   x = 3,455,014,925.39/39,186.75
6. Step 6: Final answer
   x = 88,167.94