Finding the Third Proportional to 1,638,334 and 3,591,598

Step by Step Solution

1. Step 1: Write the proportion equation
   1,638,334 : 3,591,598 = 3,591,598 : x
2. Step 2: Convert to fraction form
   1,638,334/3,591,598 = 3,591,598/x
3. Step 3: Cross multiply
   1,638,334x = 3,591,598 × 3,591,598
4. Step 4: Simplify right side
   1,638,334x = 12,899,576,193,604
5. Step 5: Solve for x
   x = 12,899,576,193,604/1,638,334
6. Step 6: Final answer
   x = 7,873,593.66