Finding the Third Proportional to 15,590.50 and 33,128.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,590.50 : 33,128.25 = 33,128.25 : x
2. Step 2: Convert to fraction form
   15,590.50/33,128.25 = 33,128.25/x
3. Step 3: Cross multiply
   15,590.50x = 33,128.25 × 33,128.25
4. Step 4: Simplify right side
   15,590.50x = 1,097,480,948.06
5. Step 5: Solve for x
   x = 1,097,480,948.06/15,590.50
6. Step 6: Final answer
   x = 70,394.21