Finding the Third Proportional to 78,900 and 118,053

Step by Step Solution

1. Step 1: Write the proportion equation
   78,900 : 118,053 = 118,053 : x
2. Step 2: Convert to fraction form
   78,900/118,053 = 118,053/x
3. Step 3: Cross multiply
   78,900x = 118,053 × 118,053
4. Step 4: Simplify right side
   78,900x = 13,936,510,809
5. Step 5: Solve for x
   x = 13,936,510,809/78,900
6. Step 6: Final answer
   x = 176,635.12