Finding the Third Proportional to 12,389.63 and 26,723.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,389.63 : 26,723.25 = 26,723.25 : x
2. Step 2: Convert to fraction form
   12,389.63/26,723.25 = 26,723.25/x
3. Step 3: Cross multiply
   12,389.63x = 26,723.25 × 26,723.25
4. Step 4: Simplify right side
   12,389.63x = 714,132,090.56
5. Step 5: Solve for x
   x = 714,132,090.56/12,389.63
6. Step 6: Final answer
   x = 57,639.52