Finding the Third Proportional to 59,054 and 86,310

Step by Step Solution

1. Step 1: Write the proportion equation
   59,054 : 86,310 = 86,310 : x
2. Step 2: Convert to fraction form
   59,054/86,310 = 86,310/x
3. Step 3: Cross multiply
   59,054x = 86,310 × 86,310
4. Step 4: Simplify right side
   59,054x = 7,449,416,100
5. Step 5: Solve for x
   x = 7,449,416,100/59,054
6. Step 6: Final answer
   x = 126,145.83