Finding the Third Proportional to 1,016,620 and 2,117,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,620 : 2,117,512 = 2,117,512 : x
2. Step 2: Convert to fraction form
   1,016,620/2,117,512 = 2,117,512/x
3. Step 3: Cross multiply
   1,016,620x = 2,117,512 × 2,117,512
4. Step 4: Simplify right side
   1,016,620x = 4,483,857,070,144
5. Step 5: Solve for x
   x = 4,483,857,070,144/1,016,620
6. Step 6: Final answer
   x = 4,410,553.67