Finding the Third Proportional to 78,259.50 and 168,966

Step by Step Solution

1. Step 1: Write the proportion equation
   78,259.50 : 168,966 = 168,966 : x
2. Step 2: Convert to fraction form
   78,259.50/168,966 = 168,966/x
3. Step 3: Cross multiply
   78,259.50x = 168,966 × 168,966
4. Step 4: Simplify right side
   78,259.50x = 28,549,509,156
5. Step 5: Solve for x
   x = 28,549,509,156/78,259.50
6. Step 6: Final answer
   x = 364,805.67