Finding the Third Proportional to 10,113.75 and 15,388.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,113.75 : 15,388.88 = 15,388.88 : x
2. Step 2: Convert to fraction form
   10,113.75/15,388.88 = 15,388.88/x
3. Step 3: Cross multiply
   10,113.75x = 15,388.88 × 15,388.88
4. Step 4: Simplify right side
   10,113.75x = 236,817,473.77
5. Step 5: Solve for x
   x = 236,817,473.77/10,113.75
6. Step 6: Final answer
   x = 23,415.40