Finding the Third Proportional to 12,499.31 and 27,185.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.31 : 27,185.63 = 27,185.63 : x
2. Step 2: Convert to fraction form
   12,499.31/27,185.63 = 27,185.63/x
3. Step 3: Cross multiply
   12,499.31x = 27,185.63 × 27,185.63
4. Step 4: Simplify right side
   12,499.31x = 739,058,206.64
5. Step 5: Solve for x
   x = 739,058,206.64/12,499.31
6. Step 6: Final answer
   x = 59,127.91