Finding the Third Proportional to 15,295.50 and 21,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,295.50 : 21,055.50 = 21,055.50 : x
2. Step 2: Convert to fraction form
   15,295.50/21,055.50 = 21,055.50/x
3. Step 3: Cross multiply
   15,295.50x = 21,055.50 × 21,055.50
4. Step 4: Simplify right side
   15,295.50x = 443,334,080.25
5. Step 5: Solve for x
   x = 443,334,080.25/15,295.50
6. Step 6: Final answer
   x = 28,984.61