Finding the Third Proportional to 38,172 and 57,676.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,172 : 57,676.50 = 57,676.50 : x
2. Step 2: Convert to fraction form
   38,172/57,676.50 = 57,676.50/x
3. Step 3: Cross multiply
   38,172x = 57,676.50 × 57,676.50
4. Step 4: Simplify right side
   38,172x = 3,326,578,652.25
5. Step 5: Solve for x
   x = 3,326,578,652.25/38,172
6. Step 6: Final answer
   x = 87,147.09