Finding the Third Proportional to 49,680 and 104,490

Step by Step Solution

1. Step 1: Write the proportion equation
   49,680 : 104,490 = 104,490 : x
2. Step 2: Convert to fraction form
   49,680/104,490 = 104,490/x
3. Step 3: Cross multiply
   49,680x = 104,490 × 104,490
4. Step 4: Simplify right side
   49,680x = 10,918,160,100
5. Step 5: Solve for x
   x = 10,918,160,100/49,680
6. Step 6: Final answer
   x = 219,769.73