Finding the Third Proportional to 88,905 and 193,787.25

Step by Step Solution

1. Step 1: Write the proportion equation
   88,905 : 193,787.25 = 193,787.25 : x
2. Step 2: Convert to fraction form
   88,905/193,787.25 = 193,787.25/x
3. Step 3: Cross multiply
   88,905x = 193,787.25 × 193,787.25
4. Step 4: Simplify right side
   88,905x = 37,553,498,262.56
5. Step 5: Solve for x
   x = 37,553,498,262.56/88,905
6. Step 6: Final answer
   x = 422,400.30