Finding the Third Proportional to 58,856 and 89,644

Step by Step Solution

1. Step 1: Write the proportion equation
   58,856 : 89,644 = 89,644 : x
2. Step 2: Convert to fraction form
   58,856/89,644 = 89,644/x
3. Step 3: Cross multiply
   58,856x = 89,644 × 89,644
4. Step 4: Simplify right side
   58,856x = 8,036,046,736
5. Step 5: Solve for x
   x = 8,036,046,736/58,856
6. Step 6: Final answer
   x = 136,537.43