Finding the Third Proportional to 442,704 and 938,610

Step by Step Solution

1. Step 1: Write the proportion equation
   442,704 : 938,610 = 938,610 : x
2. Step 2: Convert to fraction form
   442,704/938,610 = 938,610/x
3. Step 3: Cross multiply
   442,704x = 938,610 × 938,610
4. Step 4: Simplify right side
   442,704x = 880,988,732,100
5. Step 5: Solve for x
   x = 880,988,732,100/442,704
6. Step 6: Final answer
   x = 1,990,017.56