Finding the Third Proportional to 40,084.50 and 86,590.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,084.50 : 86,590.50 = 86,590.50 : x
2. Step 2: Convert to fraction form
   40,084.50/86,590.50 = 86,590.50/x
3. Step 3: Cross multiply
   40,084.50x = 86,590.50 × 86,590.50
4. Step 4: Simplify right side
   40,084.50x = 7,497,914,690.25
5. Step 5: Solve for x
   x = 7,497,914,690.25/40,084.50
6. Step 6: Final answer
   x = 187,052.72