Finding the Third Proportional to 8,787.87 and 19,335.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,787.87 : 19,335.59 = 19,335.59 : x
2. Step 2: Convert to fraction form
   8,787.87/19,335.59 = 19,335.59/x
3. Step 3: Cross multiply
   8,787.87x = 19,335.59 × 19,335.59
4. Step 4: Simplify right side
   8,787.87x = 373,864,883.55
5. Step 5: Solve for x
   x = 373,864,883.55/8,787.87
6. Step 6: Final answer
   x = 42,543.30