Finding the Third Proportional to 29,688 and 55,680

Step by Step Solution

1. Step 1: Write the proportion equation
   29,688 : 55,680 = 55,680 : x
2. Step 2: Convert to fraction form
   29,688/55,680 = 55,680/x
3. Step 3: Cross multiply
   29,688x = 55,680 × 55,680
4. Step 4: Simplify right side
   29,688x = 3,100,262,400
5. Step 5: Solve for x
   x = 3,100,262,400/29,688
6. Step 6: Final answer
   x = 104,428.13