Finding the Third Proportional to 49,070 and 103,990

Step by Step Solution

1. Step 1: Write the proportion equation
   49,070 : 103,990 = 103,990 : x
2. Step 2: Convert to fraction form
   49,070/103,990 = 103,990/x
3. Step 3: Cross multiply
   49,070x = 103,990 × 103,990
4. Step 4: Simplify right side
   49,070x = 10,813,920,100
5. Step 5: Solve for x
   x = 10,813,920,100/49,070
6. Step 6: Final answer
   x = 220,377.42