Finding the Third Proportional to 60,922 and 90,878

Step by Step Solution

1. Step 1: Write the proportion equation
   60,922 : 90,878 = 90,878 : x
2. Step 2: Convert to fraction form
   60,922/90,878 = 90,878/x
3. Step 3: Cross multiply
   60,922x = 90,878 × 90,878
4. Step 4: Simplify right side
   60,922x = 8,258,810,884
5. Step 5: Solve for x
   x = 8,258,810,884/60,922
6. Step 6: Final answer
   x = 135,563.69