Finding the Third Proportional to 479,019 and 666,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   479,019 : 666,031.50 = 666,031.50 : x
2. Step 2: Convert to fraction form
   479,019/666,031.50 = 666,031.50/x
3. Step 3: Cross multiply
   479,019x = 666,031.50 × 666,031.50
4. Step 4: Simplify right side
   479,019x = 443,597,958,992.25
5. Step 5: Solve for x
   x = 443,597,958,992.25/479,019
6. Step 6: Final answer
   x = 926,055.04