Finding the Third Proportional to 39,410 and 86,484.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,410 : 86,484.50 = 86,484.50 : x
2. Step 2: Convert to fraction form
   39,410/86,484.50 = 86,484.50/x
3. Step 3: Cross multiply
   39,410x = 86,484.50 × 86,484.50
4. Step 4: Simplify right side
   39,410x = 7,479,568,740.25
5. Step 5: Solve for x
   x = 7,479,568,740.25/39,410
6. Step 6: Final answer
   x = 189,788.60