Finding the Third Proportional to 1,992,864 and 4,359,792

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992,864 : 4,359,792 = 4,359,792 : x
2. Step 2: Convert to fraction form
   1,992,864/4,359,792 = 4,359,792/x
3. Step 3: Cross multiply
   1,992,864x = 4,359,792 × 4,359,792
4. Step 4: Simplify right side
   1,992,864x = 19,007,786,283,264
5. Step 5: Solve for x
   x = 19,007,786,283,264/1,992,864
6. Step 6: Final answer
   x = 9,537,924.46