Finding the Third Proportional to 43,038 and 71,122.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,038 : 71,122.50 = 71,122.50 : x
2. Step 2: Convert to fraction form
   43,038/71,122.50 = 71,122.50/x
3. Step 3: Cross multiply
   43,038x = 71,122.50 × 71,122.50
4. Step 4: Simplify right side
   43,038x = 5,058,410,006.25
5. Step 5: Solve for x
   x = 5,058,410,006.25/43,038
6. Step 6: Final answer
   x = 117,533.58