Finding the Third Proportional to 58,440.50 and 126,221

Step by Step Solution

1. Step 1: Write the proportion equation
   58,440.50 : 126,221 = 126,221 : x
2. Step 2: Convert to fraction form
   58,440.50/126,221 = 126,221/x
3. Step 3: Cross multiply
   58,440.50x = 126,221 × 126,221
4. Step 4: Simplify right side
   58,440.50x = 15,931,740,841
5. Step 5: Solve for x
   x = 15,931,740,841/58,440.50
6. Step 6: Final answer
   x = 272,614.73