Finding the Third Proportional to 1,717,858 and 3,657,476

Step by Step Solution

1. Step 1: Write the proportion equation
   1,717,858 : 3,657,476 = 3,657,476 : x
2. Step 2: Convert to fraction form
   1,717,858/3,657,476 = 3,657,476/x
3. Step 3: Cross multiply
   1,717,858x = 3,657,476 × 3,657,476
4. Step 4: Simplify right side
   1,717,858x = 13,377,130,690,576
5. Step 5: Solve for x
   x = 13,377,130,690,576/1,717,858
6. Step 6: Final answer
   x = 7,787,099.22