Finding the Third Proportional to 67,386 and 103,890

Step by Step Solution

1. Step 1: Write the proportion equation
   67,386 : 103,890 = 103,890 : x
2. Step 2: Convert to fraction form
   67,386/103,890 = 103,890/x
3. Step 3: Cross multiply
   67,386x = 103,890 × 103,890
4. Step 4: Simplify right side
   67,386x = 10,793,132,100
5. Step 5: Solve for x
   x = 10,793,132,100/67,386
6. Step 6: Final answer
   x = 160,168.76