Finding the Third Proportional to 68,803.88 and 105,787.69

Step by Step Solution

1. Step 1: Write the proportion equation
   68,803.88 : 105,787.69 = 105,787.69 : x
2. Step 2: Convert to fraction form
   68,803.88/105,787.69 = 105,787.69/x
3. Step 3: Cross multiply
   68,803.88x = 105,787.69 × 105,787.69
4. Step 4: Simplify right side
   68,803.88x = 11,191,034,826.60
5. Step 5: Solve for x
   x = 11,191,034,826.60/68,803.88
6. Step 6: Final answer
   x = 162,651.23