Finding the Third Proportional to 58,222 and 90,179

Step by Step Solution

1. Step 1: Write the proportion equation
   58,222 : 90,179 = 90,179 : x
2. Step 2: Convert to fraction form
   58,222/90,179 = 90,179/x
3. Step 3: Cross multiply
   58,222x = 90,179 × 90,179
4. Step 4: Simplify right side
   58,222x = 8,132,252,041
5. Step 5: Solve for x
   x = 8,132,252,041/58,222
6. Step 6: Final answer
   x = 139,676.62