Finding the Third Proportional to 58,900 and 90,996

Step by Step Solution

1. Step 1: Write the proportion equation
   58,900 : 90,996 = 90,996 : x
2. Step 2: Convert to fraction form
   58,900/90,996 = 90,996/x
3. Step 3: Cross multiply
   58,900x = 90,996 × 90,996
4. Step 4: Simplify right side
   58,900x = 8,280,272,016
5. Step 5: Solve for x
   x = 8,280,272,016/58,900
6. Step 6: Final answer
   x = 140,581.87