Finding the Third Proportional to 168,380 and 266,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,380 : 266,574.50 = 266,574.50 : x
2. Step 2: Convert to fraction form
   168,380/266,574.50 = 266,574.50/x
3. Step 3: Cross multiply
   168,380x = 266,574.50 × 266,574.50
4. Step 4: Simplify right side
   168,380x = 71,061,964,050.25
5. Step 5: Solve for x
   x = 71,061,964,050.25/168,380
6. Step 6: Final answer
   x = 422,033.28