Finding the Third Proportional to 2,111,555 and 4,610,299

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,555 : 4,610,299 = 4,610,299 : x
2. Step 2: Convert to fraction form
   2,111,555/4,610,299 = 4,610,299/x
3. Step 3: Cross multiply
   2,111,555x = 4,610,299 × 4,610,299
4. Step 4: Simplify right side
   2,111,555x = 21,254,856,869,401
5. Step 5: Solve for x
   x = 21,254,856,869,401/2,111,555
6. Step 6: Final answer
   x = 10,065,973.59