Finding the Third Proportional to 27,986.77 and 42,424.38

Step by Step Solution

1. Step 1: Write the proportion equation
   27,986.77 : 42,424.38 = 42,424.38 : x
2. Step 2: Convert to fraction form
   27,986.77/42,424.38 = 42,424.38/x
3. Step 3: Cross multiply
   27,986.77x = 42,424.38 × 42,424.38
4. Step 4: Simplify right side
   27,986.77x = 1,799,828,257.02
5. Step 5: Solve for x
   x = 1,799,828,257.02/27,986.77
6. Step 6: Final answer
   x = 64,309.98