Finding the Third Proportional to 48,870 and 73,278

Step by Step Solution

1. Step 1: Write the proportion equation
   48,870 : 73,278 = 73,278 : x
2. Step 2: Convert to fraction form
   48,870/73,278 = 73,278/x
3. Step 3: Cross multiply
   48,870x = 73,278 × 73,278
4. Step 4: Simplify right side
   48,870x = 5,369,665,284
5. Step 5: Solve for x
   x = 5,369,665,284/48,870
6. Step 6: Final answer
   x = 109,876.51