Finding the Third Proportional to 40,869.56 and 87,787.55

Step by Step Solution

1. Step 1: Write the proportion equation
   40,869.56 : 87,787.55 = 87,787.55 : x
2. Step 2: Convert to fraction form
   40,869.56/87,787.55 = 87,787.55/x
3. Step 3: Cross multiply
   40,869.56x = 87,787.55 × 87,787.55
4. Step 4: Simplify right side
   40,869.56x = 7,706,653,386.33
5. Step 5: Solve for x
   x = 7,706,653,386.33/40,869.56
6. Step 6: Final answer
   x = 188,567.06