Finding the Third Proportional to 2,140,238 and 4,457,624

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,238 : 4,457,624 = 4,457,624 : x
2. Step 2: Convert to fraction form
   2,140,238/4,457,624 = 4,457,624/x
3. Step 3: Cross multiply
   2,140,238x = 4,457,624 × 4,457,624
4. Step 4: Simplify right side
   2,140,238x = 19,870,411,725,376
5. Step 5: Solve for x
   x = 19,870,411,725,376/2,140,238
6. Step 6: Final answer
   x = 9,284,206.58