Finding the Third Proportional to 59,478 and 86,984.25

Step by Step Solution

1. Step 1: Write the proportion equation
   59,478 : 86,984.25 = 86,984.25 : x
2. Step 2: Convert to fraction form
   59,478/86,984.25 = 86,984.25/x
3. Step 3: Cross multiply
   59,478x = 86,984.25 × 86,984.25
4. Step 4: Simplify right side
   59,478x = 7,566,259,748.06
5. Step 5: Solve for x
   x = 7,566,259,748.06/59,478
6. Step 6: Final answer
   x = 127,211.07