Finding the Third Proportional to 13,871.25 and 30,278.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,871.25 : 30,278.81 = 30,278.81 : x
2. Step 2: Convert to fraction form
   13,871.25/30,278.81 = 30,278.81/x
3. Step 3: Cross multiply
   13,871.25x = 30,278.81 × 30,278.81
4. Step 4: Simplify right side
   13,871.25x = 916,806,486.41
5. Step 5: Solve for x
   x = 916,806,486.41/13,871.25
6. Step 6: Final answer
   x = 66,094.01