Finding the Third Proportional to 78,105.38 and 168,077.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,105.38 : 168,077.25 = 168,077.25 : x
2. Step 2: Convert to fraction form
   78,105.38/168,077.25 = 168,077.25/x
3. Step 3: Cross multiply
   78,105.38x = 168,077.25 × 168,077.25
4. Step 4: Simplify right side
   78,105.38x = 28,249,961,967.56
5. Step 5: Solve for x
   x = 28,249,961,967.56/78,105.38
6. Step 6: Final answer
   x = 361,690.37