Finding the Third Proportional to 40,573 and 87,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,573 : 87,387.50 = 87,387.50 : x
2. Step 2: Convert to fraction form
   40,573/87,387.50 = 87,387.50/x
3. Step 3: Cross multiply
   40,573x = 87,387.50 × 87,387.50
4. Step 4: Simplify right side
   40,573x = 7,636,575,156.25
5. Step 5: Solve for x
   x = 7,636,575,156.25/40,573
6. Step 6: Final answer
   x = 188,218.15