Finding the Third Proportional to 40,239 and 85,675.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,239 : 85,675.50 = 85,675.50 : x
2. Step 2: Convert to fraction form
   40,239/85,675.50 = 85,675.50/x
3. Step 3: Cross multiply
   40,239x = 85,675.50 × 85,675.50
4. Step 4: Simplify right side
   40,239x = 7,340,291,300.25
5. Step 5: Solve for x
   x = 7,340,291,300.25/40,239
6. Step 6: Final answer
   x = 182,417.34