Finding the Third Proportional to 37,043 and 72,221

Step by Step Solution

1. Step 1: Write the proportion equation
   37,043 : 72,221 = 72,221 : x
2. Step 2: Convert to fraction form
   37,043/72,221 = 72,221/x
3. Step 3: Cross multiply
   37,043x = 72,221 × 72,221
4. Step 4: Simplify right side
   37,043x = 5,215,872,841
5. Step 5: Solve for x
   x = 5,215,872,841/37,043
6. Step 6: Final answer
   x = 140,805.90