Finding the Third Proportional to 992,724 and 2,153,388

Step by Step Solution

1. Step 1: Write the proportion equation
   992,724 : 2,153,388 = 2,153,388 : x
2. Step 2: Convert to fraction form
   992,724/2,153,388 = 2,153,388/x
3. Step 3: Cross multiply
   992,724x = 2,153,388 × 2,153,388
4. Step 4: Simplify right side
   992,724x = 4,637,079,878,544
5. Step 5: Solve for x
   x = 4,637,079,878,544/992,724
6. Step 6: Final answer
   x = 4,671,066.56