Finding the Third Proportional to 976,820 and 2,111,696

Step by Step Solution

1. Step 1: Write the proportion equation
   976,820 : 2,111,696 = 2,111,696 : x
2. Step 2: Convert to fraction form
   976,820/2,111,696 = 2,111,696/x
3. Step 3: Cross multiply
   976,820x = 2,111,696 × 2,111,696
4. Step 4: Simplify right side
   976,820x = 4,459,259,996,416
5. Step 5: Solve for x
   x = 4,459,259,996,416/976,820
6. Step 6: Final answer
   x = 4,565,078.52