Finding the Third Proportional to 78,787.69 and 168,647.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,787.69 : 168,647.06 = 168,647.06 : x
2. Step 2: Convert to fraction form
   78,787.69/168,647.06 = 168,647.06/x
3. Step 3: Cross multiply
   78,787.69x = 168,647.06 × 168,647.06
4. Step 4: Simplify right side
   78,787.69x = 28,441,831,689.88
5. Step 5: Solve for x
   x = 28,441,831,689.88/78,787.69
6. Step 6: Final answer
   x = 360,993.36