Finding the Third Proportional to 2,990,100 and 4,484,229

Step by Step Solution

1. Step 1: Write the proportion equation
   2,990,100 : 4,484,229 = 4,484,229 : x
2. Step 2: Convert to fraction form
   2,990,100/4,484,229 = 4,484,229/x
3. Step 3: Cross multiply
   2,990,100x = 4,484,229 × 4,484,229
4. Step 4: Simplify right side
   2,990,100x = 20,108,309,724,441
5. Step 5: Solve for x
   x = 20,108,309,724,441/2,990,100
6. Step 6: Final answer
   x = 6,724,962.28