Finding the Third Proportional to 78,600 and 118,068

Step by Step Solution

1. Step 1: Write the proportion equation
   78,600 : 118,068 = 118,068 : x
2. Step 2: Convert to fraction form
   78,600/118,068 = 118,068/x
3. Step 3: Cross multiply
   78,600x = 118,068 × 118,068
4. Step 4: Simplify right side
   78,600x = 13,940,052,624
5. Step 5: Solve for x
   x = 13,940,052,624/78,600
6. Step 6: Final answer
   x = 177,354.36