Finding the Third Proportional to 1,430,240 and 2,120,612

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430,240 : 2,120,612 = 2,120,612 : x
2. Step 2: Convert to fraction form
   1,430,240/2,120,612 = 2,120,612/x
3. Step 3: Cross multiply
   1,430,240x = 2,120,612 × 2,120,612
4. Step 4: Simplify right side
   1,430,240x = 4,496,995,254,544
5. Step 5: Solve for x
   x = 4,496,995,254,544/1,430,240
6. Step 6: Final answer
   x = 3,144,224.22