Finding the Third Proportional to 431,485 and 938,723

Step by Step Solution

1. Step 1: Write the proportion equation
   431,485 : 938,723 = 938,723 : x
2. Step 2: Convert to fraction form
   431,485/938,723 = 938,723/x
3. Step 3: Cross multiply
   431,485x = 938,723 × 938,723
4. Step 4: Simplify right side
   431,485x = 881,200,870,729
5. Step 5: Solve for x
   x = 881,200,870,729/431,485
6. Step 6: Final answer
   x = 2,042,251.46