Finding the Third Proportional to 38,485.13 and 80,031.38

Step by Step Solution

1. Step 1: Write the proportion equation
   38,485.13 : 80,031.38 = 80,031.38 : x
2. Step 2: Convert to fraction form
   38,485.13/80,031.38 = 80,031.38/x
3. Step 3: Cross multiply
   38,485.13x = 80,031.38 × 80,031.38
4. Step 4: Simplify right side
   38,485.13x = 6,405,020,984.39
5. Step 5: Solve for x
   x = 6,405,020,984.39/38,485.13
6. Step 6: Final answer
   x = 166,428.48