Finding the Third Proportional to 78,790.50 and 168,651

Step by Step Solution

1. Step 1: Write the proportion equation
   78,790.50 : 168,651 = 168,651 : x
2. Step 2: Convert to fraction form
   78,790.50/168,651 = 168,651/x
3. Step 3: Cross multiply
   78,790.50x = 168,651 × 168,651
4. Step 4: Simplify right side
   78,790.50x = 28,443,159,801
5. Step 5: Solve for x
   x = 28,443,159,801/78,790.50
6. Step 6: Final answer
   x = 360,997.33