Finding the Third Proportional to 59,580 and 87,984

Step by Step Solution

1. Step 1: Write the proportion equation
   59,580 : 87,984 = 87,984 : x
2. Step 2: Convert to fraction form
   59,580/87,984 = 87,984/x
3. Step 3: Cross multiply
   59,580x = 87,984 × 87,984
4. Step 4: Simplify right side
   59,580x = 7,741,184,256
5. Step 5: Solve for x
   x = 7,741,184,256/59,580
6. Step 6: Final answer
   x = 129,929.24