Finding the Third Proportional to 58,668 and 90,884

Step by Step Solution

1. Step 1: Write the proportion equation
   58,668 : 90,884 = 90,884 : x
2. Step 2: Convert to fraction form
   58,668/90,884 = 90,884/x
3. Step 3: Cross multiply
   58,668x = 90,884 × 90,884
4. Step 4: Simplify right side
   58,668x = 8,259,901,456
5. Step 5: Solve for x
   x = 8,259,901,456/58,668
6. Step 6: Final answer
   x = 140,790.58