Finding the Third Proportional to 1,684,446 and 2,591,730

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684,446 : 2,591,730 = 2,591,730 : x
2. Step 2: Convert to fraction form
   1,684,446/2,591,730 = 2,591,730/x
3. Step 3: Cross multiply
   1,684,446x = 2,591,730 × 2,591,730
4. Step 4: Simplify right side
   1,684,446x = 6,717,064,392,900
5. Step 5: Solve for x
   x = 6,717,064,392,900/1,684,446
6. Step 6: Final answer
   x = 3,987,699.45