Finding the Third Proportional to 67,151 and 90,876

Step by Step Solution

1. Step 1: Write the proportion equation
   67,151 : 90,876 = 90,876 : x
2. Step 2: Convert to fraction form
   67,151/90,876 = 90,876/x
3. Step 3: Cross multiply
   67,151x = 90,876 × 90,876
4. Step 4: Simplify right side
   67,151x = 8,258,447,376
5. Step 5: Solve for x
   x = 8,258,447,376/67,151
6. Step 6: Final answer
   x = 122,983.24