Finding the Third Proportional to 1,681,751 and 3,587,731

Step by Step Solution

1. Step 1: Write the proportion equation
   1,681,751 : 3,587,731 = 3,587,731 : x
2. Step 2: Convert to fraction form
   1,681,751/3,587,731 = 3,587,731/x
3. Step 3: Cross multiply
   1,681,751x = 3,587,731 × 3,587,731
4. Step 4: Simplify right side
   1,681,751x = 12,871,813,728,361
5. Step 5: Solve for x
   x = 12,871,813,728,361/1,681,751
6. Step 6: Final answer
   x = 7,653,816.60