Finding the Third Proportional to 976,728 and 2,111,364

Step by Step Solution

1. Step 1: Write the proportion equation
   976,728 : 2,111,364 = 2,111,364 : x
2. Step 2: Convert to fraction form
   976,728/2,111,364 = 2,111,364/x
3. Step 3: Cross multiply
   976,728x = 2,111,364 × 2,111,364
4. Step 4: Simplify right side
   976,728x = 4,457,857,940,496
5. Step 5: Solve for x
   x = 4,457,857,940,496/976,728
6. Step 6: Final answer
   x = 4,564,073.05