Finding the Third Proportional to 58,326 and 89,205

Step by Step Solution

1. Step 1: Write the proportion equation
   58,326 : 89,205 = 89,205 : x
2. Step 2: Convert to fraction form
   58,326/89,205 = 89,205/x
3. Step 3: Cross multiply
   58,326x = 89,205 × 89,205
4. Step 4: Simplify right side
   58,326x = 7,957,532,025
5. Step 5: Solve for x
   x = 7,957,532,025/58,326
6. Step 6: Final answer
   x = 136,431.99