Finding the Third Proportional to 58,904 and 91,005

Step by Step Solution

1. Step 1: Write the proportion equation
   58,904 : 91,005 = 91,005 : x
2. Step 2: Convert to fraction form
   58,904/91,005 = 91,005/x
3. Step 3: Cross multiply
   58,904x = 91,005 × 91,005
4. Step 4: Simplify right side
   58,904x = 8,281,910,025
5. Step 5: Solve for x
   x = 8,281,910,025/58,904
6. Step 6: Final answer
   x = 140,600.13