Finding the Third Proportional to 58,592 and 90,800

Step by Step Solution

1. Step 1: Write the proportion equation
   58,592 : 90,800 = 90,800 : x
2. Step 2: Convert to fraction form
   58,592/90,800 = 90,800/x
3. Step 3: Cross multiply
   58,592x = 90,800 × 90,800
4. Step 4: Simplify right side
   58,592x = 8,244,640,000
5. Step 5: Solve for x
   x = 8,244,640,000/58,592
6. Step 6: Final answer
   x = 140,712.73