Finding the Third Proportional to 42,260 and 88,590

Step by Step Solution

1. Step 1: Write the proportion equation
   42,260 : 88,590 = 88,590 : x
2. Step 2: Convert to fraction form
   42,260/88,590 = 88,590/x
3. Step 3: Cross multiply
   42,260x = 88,590 × 88,590
4. Step 4: Simplify right side
   42,260x = 7,848,188,100
5. Step 5: Solve for x
   x = 7,848,188,100/42,260
6. Step 6: Final answer
   x = 185,711.98