Finding the Third Proportional to 13,688 and 29,510

Step by Step Solution

1. Step 1: Write the proportion equation
   13,688 : 29,510 = 29,510 : x
2. Step 2: Convert to fraction form
   13,688/29,510 = 29,510/x
3. Step 3: Cross multiply
   13,688x = 29,510 × 29,510
4. Step 4: Simplify right side
   13,688x = 870,840,100
5. Step 5: Solve for x
   x = 870,840,100/13,688
6. Step 6: Final answer
   x = 63,620.70