Finding the Third Proportional to 14,615.53 and 21,376.55

Step by Step Solution

1. Step 1: Write the proportion equation
   14,615.53 : 21,376.55 = 21,376.55 : x
2. Step 2: Convert to fraction form
   14,615.53/21,376.55 = 21,376.55/x
3. Step 3: Cross multiply
   14,615.53x = 21,376.55 × 21,376.55
4. Step 4: Simplify right side
   14,615.53x = 456,956,756.30
5. Step 5: Solve for x
   x = 456,956,756.30/14,615.53
6. Step 6: Final answer
   x = 31,265.15