Finding the Third Proportional to 13,228.31 and 21,277.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,228.31 : 21,277.69 = 21,277.69 : x
2. Step 2: Convert to fraction form
   13,228.31/21,277.69 = 21,277.69/x
3. Step 3: Cross multiply
   13,228.31x = 21,277.69 × 21,277.69
4. Step 4: Simplify right side
   13,228.31x = 452,739,985.35
5. Step 5: Solve for x
   x = 452,739,985.35/13,228.31
6. Step 6: Final answer
   x = 34,225.07