Finding the Third Proportional to 58,705 and 89,179

Step by Step Solution

1. Step 1: Write the proportion equation
   58,705 : 89,179 = 89,179 : x
2. Step 2: Convert to fraction form
   58,705/89,179 = 89,179/x
3. Step 3: Cross multiply
   58,705x = 89,179 × 89,179
4. Step 4: Simplify right side
   58,705x = 7,952,894,041
5. Step 5: Solve for x
   x = 7,952,894,041/58,705
6. Step 6: Final answer
   x = 135,472.18