Finding the Third Proportional to 456,448.50 and 926,721

Step by Step Solution

1. Step 1: Write the proportion equation
   456,448.50 : 926,721 = 926,721 : x
2. Step 2: Convert to fraction form
   456,448.50/926,721 = 926,721/x
3. Step 3: Cross multiply
   456,448.50x = 926,721 × 926,721
4. Step 4: Simplify right side
   456,448.50x = 858,811,811,841
5. Step 5: Solve for x
   x = 858,811,811,841/456,448.50
6. Step 6: Final answer
   x = 1,881,508.67