Finding the Third Proportional to 12,431.39 and 26,848.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,431.39 : 26,848.13 = 26,848.13 : x
2. Step 2: Convert to fraction form
   12,431.39/26,848.13 = 26,848.13/x
3. Step 3: Cross multiply
   12,431.39x = 26,848.13 × 26,848.13
4. Step 4: Simplify right side
   12,431.39x = 720,821,816.02
5. Step 5: Solve for x
   x = 720,821,816.02/12,431.39
6. Step 6: Final answer
   x = 57,984.00