Finding the Third Proportional to 1,959,620 and 3,997,969

Step by Step Solution

1. Step 1: Write the proportion equation
   1,959,620 : 3,997,969 = 3,997,969 : x
2. Step 2: Convert to fraction form
   1,959,620/3,997,969 = 3,997,969/x
3. Step 3: Cross multiply
   1,959,620x = 3,997,969 × 3,997,969
4. Step 4: Simplify right side
   1,959,620x = 15,983,756,124,961
5. Step 5: Solve for x
   x = 15,983,756,124,961/1,959,620
6. Step 6: Final answer
   x = 8,156,558.99