Finding the Third Proportional to 49,878 and 67,202

Step by Step Solution

1. Step 1: Write the proportion equation
   49,878 : 67,202 = 67,202 : x
2. Step 2: Convert to fraction form
   49,878/67,202 = 67,202/x
3. Step 3: Cross multiply
   49,878x = 67,202 × 67,202
4. Step 4: Simplify right side
   49,878x = 4,516,108,804
5. Step 5: Solve for x
   x = 4,516,108,804/49,878
6. Step 6: Final answer
   x = 90,543.10