Finding the Third Proportional to 58,630.50 and 138,267

Step by Step Solution

1. Step 1: Write the proportion equation
   58,630.50 : 138,267 = 138,267 : x
2. Step 2: Convert to fraction form
   58,630.50/138,267 = 138,267/x
3. Step 3: Cross multiply
   58,630.50x = 138,267 × 138,267
4. Step 4: Simplify right side
   58,630.50x = 19,117,763,289
5. Step 5: Solve for x
   x = 19,117,763,289/58,630.50
6. Step 6: Final answer
   x = 326,071.98