Finding the Third Proportional to 1,212,651 and 2,020,964

Step by Step Solution

1. Step 1: Write the proportion equation
   1,212,651 : 2,020,964 = 2,020,964 : x
2. Step 2: Convert to fraction form
   1,212,651/2,020,964 = 2,020,964/x
3. Step 3: Cross multiply
   1,212,651x = 2,020,964 × 2,020,964
4. Step 4: Simplify right side
   1,212,651x = 4,084,295,489,296
5. Step 5: Solve for x
   x = 4,084,295,489,296/1,212,651
6. Step 6: Final answer
   x = 3,368,071.68