Finding the Third Proportional to 266,743.50 and 400,122

Step by Step Solution

1. Step 1: Write the proportion equation
   266,743.50 : 400,122 = 400,122 : x
2. Step 2: Convert to fraction form
   266,743.50/400,122 = 400,122/x
3. Step 3: Cross multiply
   266,743.50x = 400,122 × 400,122
4. Step 4: Simplify right side
   266,743.50x = 160,097,614,884
5. Step 5: Solve for x
   x = 160,097,614,884/266,743.50
6. Step 6: Final answer
   x = 600,193.13