Finding the Third Proportional to 1,384,610 and 2,990,658

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384,610 : 2,990,658 = 2,990,658 : x
2. Step 2: Convert to fraction form
   1,384,610/2,990,658 = 2,990,658/x
3. Step 3: Cross multiply
   1,384,610x = 2,990,658 × 2,990,658
4. Step 4: Simplify right side
   1,384,610x = 8,944,035,272,964
5. Step 5: Solve for x
   x = 8,944,035,272,964/1,384,610
6. Step 6: Final answer
   x = 6,459,606.15