Finding the Third Proportional to 265,968 and 408,793.50

Step by Step Solution

1. Step 1: Write the proportion equation
   265,968 : 408,793.50 = 408,793.50 : x
2. Step 2: Convert to fraction form
   265,968/408,793.50 = 408,793.50/x
3. Step 3: Cross multiply
   265,968x = 408,793.50 × 408,793.50
4. Step 4: Simplify right side
   265,968x = 167,112,125,642.25
5. Step 5: Solve for x
   x = 167,112,125,642.25/265,968
6. Step 6: Final answer
   x = 628,316.66