Finding the Third Proportional to 1,366,508 and 2,990,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366,508 : 2,990,432 = 2,990,432 : x
2. Step 2: Convert to fraction form
   1,366,508/2,990,432 = 2,990,432/x
3. Step 3: Cross multiply
   1,366,508x = 2,990,432 × 2,990,432
4. Step 4: Simplify right side
   1,366,508x = 8,942,683,546,624
5. Step 5: Solve for x
   x = 8,942,683,546,624/1,366,508
6. Step 6: Final answer
   x = 6,544,186.75