Finding the Third Proportional to 71,363 and 168,767.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,363 : 168,767.50 = 168,767.50 : x
2. Step 2: Convert to fraction form
   71,363/168,767.50 = 168,767.50/x
3. Step 3: Cross multiply
   71,363x = 168,767.50 × 168,767.50
4. Step 4: Simplify right side
   71,363x = 28,482,469,056.25
5. Step 5: Solve for x
   x = 28,482,469,056.25/71,363
6. Step 6: Final answer
   x = 399,120.96