Finding the Third Proportional to 63,787.50 and 137,781

Step by Step Solution

1. Step 1: Write the proportion equation
   63,787.50 : 137,781 = 137,781 : x
2. Step 2: Convert to fraction form
   63,787.50/137,781 = 137,781/x
3. Step 3: Cross multiply
   63,787.50x = 137,781 × 137,781
4. Step 4: Simplify right side
   63,787.50x = 18,983,603,961
5. Step 5: Solve for x
   x = 18,983,603,961/63,787.50
6. Step 6: Final answer
   x = 297,606.96