Finding the Third Proportional to 314,491.50 and 679,041

Step by Step Solution

1. Step 1: Write the proportion equation
   314,491.50 : 679,041 = 679,041 : x
2. Step 2: Convert to fraction form
   314,491.50/679,041 = 679,041/x
3. Step 3: Cross multiply
   314,491.50x = 679,041 × 679,041
4. Step 4: Simplify right side
   314,491.50x = 461,096,679,681
5. Step 5: Solve for x
   x = 461,096,679,681/314,491.50
6. Step 6: Final answer
   x = 1,466,165.79