Finding the Third Proportional to 15,028 and 21,646.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,028 : 21,646.50 = 21,646.50 : x
2. Step 2: Convert to fraction form
   15,028/21,646.50 = 21,646.50/x
3. Step 3: Cross multiply
   15,028x = 21,646.50 × 21,646.50
4. Step 4: Simplify right side
   15,028x = 468,570,962.25
5. Step 5: Solve for x
   x = 468,570,962.25/15,028
6. Step 6: Final answer
   x = 31,179.86