Finding the Third Proportional to 39,837.38 and 87,328.69

Step by Step Solution

1. Step 1: Write the proportion equation
   39,837.38 : 87,328.69 = 87,328.69 : x
2. Step 2: Convert to fraction form
   39,837.38/87,328.69 = 87,328.69/x
3. Step 3: Cross multiply
   39,837.38x = 87,328.69 × 87,328.69
4. Step 4: Simplify right side
   39,837.38x = 7,626,299,660.47
5. Step 5: Solve for x
   x = 7,626,299,660.47/39,837.38
6. Step 6: Final answer
   x = 191,435.80