Finding the Third Proportional to 14,988.38 and 21,353.63

Step by Step Solution

1. Step 1: Write the proportion equation
   14,988.38 : 21,353.63 = 21,353.63 : x
2. Step 2: Convert to fraction form
   14,988.38/21,353.63 = 21,353.63/x
3. Step 3: Cross multiply
   14,988.38x = 21,353.63 × 21,353.63
4. Step 4: Simplify right side
   14,988.38x = 455,977,300.64
5. Step 5: Solve for x
   x = 455,977,300.64/14,988.38
6. Step 6: Final answer
   x = 30,422.06