Finding the Third Proportional to 917,018 and 1,992,148

Step by Step Solution

1. Step 1: Write the proportion equation
   917,018 : 1,992,148 = 1,992,148 : x
2. Step 2: Convert to fraction form
   917,018/1,992,148 = 1,992,148/x
3. Step 3: Cross multiply
   917,018x = 1,992,148 × 1,992,148
4. Step 4: Simplify right side
   917,018x = 3,968,653,653,904
5. Step 5: Solve for x
   x = 3,968,653,653,904/917,018
6. Step 6: Final answer
   x = 4,327,781.63