Finding the Third Proportional to 58,508 and 90,760

Step by Step Solution

1. Step 1: Write the proportion equation
   58,508 : 90,760 = 90,760 : x
2. Step 2: Convert to fraction form
   58,508/90,760 = 90,760/x
3. Step 3: Cross multiply
   58,508x = 90,760 × 90,760
4. Step 4: Simplify right side
   58,508x = 8,237,377,600
5. Step 5: Solve for x
   x = 8,237,377,600/58,508
6. Step 6: Final answer
   x = 140,790.62