Finding the Third Proportional to 9,787.88 and 20,858.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,787.88 : 20,858.25 = 20,858.25 : x
2. Step 2: Convert to fraction form
   9,787.88/20,858.25 = 20,858.25/x
3. Step 3: Cross multiply
   9,787.88x = 20,858.25 × 20,858.25
4. Step 4: Simplify right side
   9,787.88x = 435,066,593.06
5. Step 5: Solve for x
   x = 435,066,593.06/9,787.88
6. Step 6: Final answer
   x = 44,449.55