Finding the Third Proportional to 78,151.08 and 168,142.71

Step by Step Solution

1. Step 1: Write the proportion equation
   78,151.08 : 168,142.71 = 168,142.71 : x
2. Step 2: Convert to fraction form
   78,151.08/168,142.71 = 168,142.71/x
3. Step 3: Cross multiply
   78,151.08x = 168,142.71 × 168,142.71
4. Step 4: Simplify right side
   78,151.08x = 28,271,971,241.41
5. Step 5: Solve for x
   x = 28,271,971,241.41/78,151.08
6. Step 6: Final answer
   x = 361,760.48