Finding the Third Proportional to 38,172 and 56,118

Step by Step Solution

1. Step 1: Write the proportion equation
   38,172 : 56,118 = 56,118 : x
2. Step 2: Convert to fraction form
   38,172/56,118 = 56,118/x
3. Step 3: Cross multiply
   38,172x = 56,118 × 56,118
4. Step 4: Simplify right side
   38,172x = 3,149,229,924
5. Step 5: Solve for x
   x = 3,149,229,924/38,172
6. Step 6: Final answer
   x = 82,501.05