Finding the Third Proportional to 2,128,320 and 3,214,572

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,320 : 3,214,572 = 3,214,572 : x
2. Step 2: Convert to fraction form
   2,128,320/3,214,572 = 3,214,572/x
3. Step 3: Cross multiply
   2,128,320x = 3,214,572 × 3,214,572
4. Step 4: Simplify right side
   2,128,320x = 10,333,473,143,184
5. Step 5: Solve for x
   x = 10,333,473,143,184/2,128,320
6. Step 6: Final answer
   x = 4,855,225.32