Finding the Third Proportional to 43,031.50 and 71,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,031.50 : 71,112.50 = 71,112.50 : x
2. Step 2: Convert to fraction form
   43,031.50/71,112.50 = 71,112.50/x
3. Step 3: Cross multiply
   43,031.50x = 71,112.50 × 71,112.50
4. Step 4: Simplify right side
   43,031.50x = 5,056,987,656.25
5. Step 5: Solve for x
   x = 5,056,987,656.25/43,031.50
6. Step 6: Final answer
   x = 117,518.28