Finding the Third Proportional to 60,705 and 89,878

Step by Step Solution

1. Step 1: Write the proportion equation
   60,705 : 89,878 = 89,878 : x
2. Step 2: Convert to fraction form
   60,705/89,878 = 89,878/x
3. Step 3: Cross multiply
   60,705x = 89,878 × 89,878
4. Step 4: Simplify right side
   60,705x = 8,078,054,884
5. Step 5: Solve for x
   x = 8,078,054,884/60,705
6. Step 6: Final answer
   x = 133,070.67