Finding the Third Proportional to 39,926 and 59,890

Step by Step Solution

1. Step 1: Write the proportion equation
   39,926 : 59,890 = 59,890 : x
2. Step 2: Convert to fraction form
   39,926/59,890 = 59,890/x
3. Step 3: Cross multiply
   39,926x = 59,890 × 59,890
4. Step 4: Simplify right side
   39,926x = 3,586,812,100
5. Step 5: Solve for x
   x = 3,586,812,100/39,926
6. Step 6: Final answer
   x = 89,836.50