Finding the Third Proportional to 39,860 and 59,558

Step by Step Solution

1. Step 1: Write the proportion equation
   39,860 : 59,558 = 59,558 : x
2. Step 2: Convert to fraction form
   39,860/59,558 = 59,558/x
3. Step 3: Cross multiply
   39,860x = 59,558 × 59,558
4. Step 4: Simplify right side
   39,860x = 3,547,155,364
5. Step 5: Solve for x
   x = 3,547,155,364/39,860
6. Step 6: Final answer
   x = 88,990.35