Finding the Third Proportional to 20,688 and 30,060

Step by Step Solution

1. Step 1: Write the proportion equation
   20,688 : 30,060 = 30,060 : x
2. Step 2: Convert to fraction form
   20,688/30,060 = 30,060/x
3. Step 3: Cross multiply
   20,688x = 30,060 × 30,060
4. Step 4: Simplify right side
   20,688x = 903,603,600
5. Step 5: Solve for x
   x = 903,603,600/20,688
6. Step 6: Final answer
   x = 43,677.67