Finding the Third Proportional to 2,990,787 and 4,485,082

Step by Step Solution

1. Step 1: Write the proportion equation
   2,990,787 : 4,485,082 = 4,485,082 : x
2. Step 2: Convert to fraction form
   2,990,787/4,485,082 = 4,485,082/x
3. Step 3: Cross multiply
   2,990,787x = 4,485,082 × 4,485,082
4. Step 4: Simplify right side
   2,990,787x = 20,115,960,546,724
5. Step 5: Solve for x
   x = 20,115,960,546,724/2,990,787
6. Step 6: Final answer
   x = 6,725,975.65