Finding the Third Proportional to 20,417.63 and 27,709.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,417.63 : 27,709.88 = 27,709.88 : x
2. Step 2: Convert to fraction form
   20,417.63/27,709.88 = 27,709.88/x
3. Step 3: Cross multiply
   20,417.63x = 27,709.88 × 27,709.88
4. Step 4: Simplify right side
   20,417.63x = 767,837,172.52
5. Step 5: Solve for x
   x = 767,837,172.52/20,417.63
6. Step 6: Final answer
   x = 37,606.59