Finding the Third Proportional to 59,475 and 86,979

Step by Step Solution

1. Step 1: Write the proportion equation
   59,475 : 86,979 = 86,979 : x
2. Step 2: Convert to fraction form
   59,475/86,979 = 86,979/x
3. Step 3: Cross multiply
   59,475x = 86,979 × 86,979
4. Step 4: Simplify right side
   59,475x = 7,565,346,441
5. Step 5: Solve for x
   x = 7,565,346,441/59,475
6. Step 6: Final answer
   x = 127,202.13