Finding the Third Proportional to 59,112 and 86,364

Step by Step Solution

1. Step 1: Write the proportion equation
   59,112 : 86,364 = 86,364 : x
2. Step 2: Convert to fraction form
   59,112/86,364 = 86,364/x
3. Step 3: Cross multiply
   59,112x = 86,364 × 86,364
4. Step 4: Simplify right side
   59,112x = 7,458,740,496
5. Step 5: Solve for x
   x = 7,458,740,496/59,112
6. Step 6: Final answer
   x = 126,179.80