Finding the Third Proportional to 14,202.56 and 21,030.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,202.56 : 21,030.47 = 21,030.47 : x
2. Step 2: Convert to fraction form
   14,202.56/21,030.47 = 21,030.47/x
3. Step 3: Cross multiply
   14,202.56x = 21,030.47 × 21,030.47
4. Step 4: Simplify right side
   14,202.56x = 442,280,615.84
5. Step 5: Solve for x
   x = 442,280,615.84/14,202.56
6. Step 6: Final answer
   x = 31,140.90