Finding the Third Proportional to 1,689,878 and 3,757,574

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,878 : 3,757,574 = 3,757,574 : x
2. Step 2: Convert to fraction form
   1,689,878/3,757,574 = 3,757,574/x
3. Step 3: Cross multiply
   1,689,878x = 3,757,574 × 3,757,574
4. Step 4: Simplify right side
   1,689,878x = 14,119,362,365,476
5. Step 5: Solve for x
   x = 14,119,362,365,476/1,689,878
6. Step 6: Final answer
   x = 8,355,255.45