Finding the Third Proportional to 1,670,129 and 3,659,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,670,129 : 3,659,456 = 3,659,456 : x
2. Step 2: Convert to fraction form
   1,670,129/3,659,456 = 3,659,456/x
3. Step 3: Cross multiply
   1,670,129x = 3,659,456 × 3,659,456
4. Step 4: Simplify right side
   1,670,129x = 13,391,618,215,936
5. Step 5: Solve for x
   x = 13,391,618,215,936/1,670,129
6. Step 6: Final answer
   x = 8,018,313.68