Finding the Third Proportional to 39,941.75 and 86,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,941.75 : 86,930.50 = 86,930.50 : x
2. Step 2: Convert to fraction form
   39,941.75/86,930.50 = 86,930.50/x
3. Step 3: Cross multiply
   39,941.75x = 86,930.50 × 86,930.50
4. Step 4: Simplify right side
   39,941.75x = 7,556,911,830.25
5. Step 5: Solve for x
   x = 7,556,911,830.25/39,941.75
6. Step 6: Final answer
   x = 189,198.32