Finding the Third Proportional to 58,544 and 90,788

Step by Step Solution

1. Step 1: Write the proportion equation
   58,544 : 90,788 = 90,788 : x
2. Step 2: Convert to fraction form
   58,544/90,788 = 90,788/x
3. Step 3: Cross multiply
   58,544x = 90,788 × 90,788
4. Step 4: Simplify right side
   58,544x = 8,242,460,944
5. Step 5: Solve for x
   x = 8,242,460,944/58,544
6. Step 6: Final answer
   x = 140,790.87