Finding the Third Proportional to 34,380 and 54,705.25

Step by Step Solution

1. Step 1: Write the proportion equation
   34,380 : 54,705.25 = 54,705.25 : x
2. Step 2: Convert to fraction form
   34,380/54,705.25 = 54,705.25/x
3. Step 3: Cross multiply
   34,380x = 54,705.25 × 54,705.25
4. Step 4: Simplify right side
   34,380x = 2,992,664,377.56
5. Step 5: Solve for x
   x = 2,992,664,377.56/34,380
6. Step 6: Final answer
   x = 87,046.67