Finding the Third Proportional to 1,684,434 and 2,591,710

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684,434 : 2,591,710 = 2,591,710 : x
2. Step 2: Convert to fraction form
   1,684,434/2,591,710 = 2,591,710/x
3. Step 3: Cross multiply
   1,684,434x = 2,591,710 × 2,591,710
4. Step 4: Simplify right side
   1,684,434x = 6,716,960,724,100
5. Step 5: Solve for x
   x = 6,716,960,724,100/1,684,434
6. Step 6: Final answer
   x = 3,987,666.32