Finding the Third Proportional to 2,990,111 and 4,484,245

Step by Step Solution

1. Step 1: Write the proportion equation
   2,990,111 : 4,484,245 = 4,484,245 : x
2. Step 2: Convert to fraction form
   2,990,111/4,484,245 = 4,484,245/x
3. Step 3: Cross multiply
   2,990,111x = 4,484,245 × 4,484,245
4. Step 4: Simplify right side
   2,990,111x = 20,108,453,220,025
5. Step 5: Solve for x
   x = 20,108,453,220,025/2,990,111
6. Step 6: Final answer
   x = 6,724,985.53