Finding the Third Proportional to 58,845 and 90,036

Step by Step Solution

1. Step 1: Write the proportion equation
   58,845 : 90,036 = 90,036 : x
2. Step 2: Convert to fraction form
   58,845/90,036 = 90,036/x
3. Step 3: Cross multiply
   58,845x = 90,036 × 90,036
4. Step 4: Simplify right side
   58,845x = 8,106,481,296
5. Step 5: Solve for x
   x = 8,106,481,296/58,845
6. Step 6: Final answer
   x = 137,759.90