Finding the Third Proportional to 58,704 and 90,936

Step by Step Solution

1. Step 1: Write the proportion equation
   58,704 : 90,936 = 90,936 : x
2. Step 2: Convert to fraction form
   58,704/90,936 = 90,936/x
3. Step 3: Cross multiply
   58,704x = 90,936 × 90,936
4. Step 4: Simplify right side
   58,704x = 8,269,356,096
5. Step 5: Solve for x
   x = 8,269,356,096/58,704
6. Step 6: Final answer
   x = 140,865.29