Finding the Third Proportional to 266,674.50 and 440,460

Step by Step Solution

1. Step 1: Write the proportion equation
   266,674.50 : 440,460 = 440,460 : x
2. Step 2: Convert to fraction form
   266,674.50/440,460 = 440,460/x
3. Step 3: Cross multiply
   266,674.50x = 440,460 × 440,460
4. Step 4: Simplify right side
   266,674.50x = 194,005,011,600
5. Step 5: Solve for x
   x = 194,005,011,600/266,674.50
6. Step 6: Final answer
   x = 727,497.42