Finding the Third Proportional to 5,425.31 and 13,100.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,425.31 : 13,100.06 = 13,100.06 : x
2. Step 2: Convert to fraction form
   5,425.31/13,100.06 = 13,100.06/x
3. Step 3: Cross multiply
   5,425.31x = 13,100.06 × 13,100.06
4. Step 4: Simplify right side
   5,425.31x = 171,611,637.50
5. Step 5: Solve for x
   x = 171,611,637.50/5,425.31
6. Step 6: Final answer
   x = 31,631.66