Finding the Third Proportional to 59,375 and 86,815

Step by Step Solution

1. Step 1: Write the proportion equation
   59,375 : 86,815 = 86,815 : x
2. Step 2: Convert to fraction form
   59,375/86,815 = 86,815/x
3. Step 3: Cross multiply
   59,375x = 86,815 × 86,815
4. Step 4: Simplify right side
   59,375x = 7,536,844,225
5. Step 5: Solve for x
   x = 7,536,844,225/59,375
6. Step 6: Final answer
   x = 126,936.32