Finding the Third Proportional to 49,290 and 108,120

Step by Step Solution

1. Step 1: Write the proportion equation
   49,290 : 108,120 = 108,120 : x
2. Step 2: Convert to fraction form
   49,290/108,120 = 108,120/x
3. Step 3: Cross multiply
   49,290x = 108,120 × 108,120
4. Step 4: Simplify right side
   49,290x = 11,689,934,400
5. Step 5: Solve for x
   x = 11,689,934,400/49,290
6. Step 6: Final answer
   x = 237,166.45