Finding the Third Proportional to 18,088 and 42,260

Step by Step Solution

1. Step 1: Write the proportion equation
   18,088 : 42,260 = 42,260 : x
2. Step 2: Convert to fraction form
   18,088/42,260 = 42,260/x
3. Step 3: Cross multiply
   18,088x = 42,260 × 42,260
4. Step 4: Simplify right side
   18,088x = 1,785,907,600
5. Step 5: Solve for x
   x = 1,785,907,600/18,088
6. Step 6: Final answer
   x = 98,734.39