Finding the Third Proportional to 58,380.75 and 89,286

Step by Step Solution

1. Step 1: Write the proportion equation
   58,380.75 : 89,286 = 89,286 : x
2. Step 2: Convert to fraction form
   58,380.75/89,286 = 89,286/x
3. Step 3: Cross multiply
   58,380.75x = 89,286 × 89,286
4. Step 4: Simplify right side
   58,380.75x = 7,971,989,796
5. Step 5: Solve for x
   x = 7,971,989,796/58,380.75
6. Step 6: Final answer
   x = 136,551.69