Finding the Third Proportional to 1,684,744 and 3,977,108

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684,744 : 3,977,108 = 3,977,108 : x
2. Step 2: Convert to fraction form
   1,684,744/3,977,108 = 3,977,108/x
3. Step 3: Cross multiply
   1,684,744x = 3,977,108 × 3,977,108
4. Step 4: Simplify right side
   1,684,744x = 15,817,388,043,664
5. Step 5: Solve for x
   x = 15,817,388,043,664/1,684,744
6. Step 6: Final answer
   x = 9,388,600.31