Finding the Third Proportional to 479,021 and 666,034.50

Step by Step Solution

1. Step 1: Write the proportion equation
   479,021 : 666,034.50 = 666,034.50 : x
2. Step 2: Convert to fraction form
   479,021/666,034.50 = 666,034.50/x
3. Step 3: Cross multiply
   479,021x = 666,034.50 × 666,034.50
4. Step 4: Simplify right side
   479,021x = 443,601,955,190.25
5. Step 5: Solve for x
   x = 443,601,955,190.25/479,021
6. Step 6: Final answer
   x = 926,059.52