Finding the Third Proportional to 59,536 and 90,072

Step by Step Solution

1. Step 1: Write the proportion equation
   59,536 : 90,072 = 90,072 : x
2. Step 2: Convert to fraction form
   59,536/90,072 = 90,072/x
3. Step 3: Cross multiply
   59,536x = 90,072 × 90,072
4. Step 4: Simplify right side
   59,536x = 8,112,965,184
5. Step 5: Solve for x
   x = 8,112,965,184/59,536
6. Step 6: Final answer
   x = 136,269.91