Finding the Third Proportional to 2,015,576 and 4,385,426

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,576 : 4,385,426 = 4,385,426 : x
2. Step 2: Convert to fraction form
   2,015,576/4,385,426 = 4,385,426/x
3. Step 3: Cross multiply
   2,015,576x = 4,385,426 × 4,385,426
4. Step 4: Simplify right side
   2,015,576x = 19,231,961,201,476
5. Step 5: Solve for x
   x = 19,231,961,201,476/2,015,576
6. Step 6: Final answer
   x = 9,541,670.07