Finding the Third Proportional to 2,820,406 and 4,296,688

Step by Step Solution

1. Step 1: Write the proportion equation
   2,820,406 : 4,296,688 = 4,296,688 : x
2. Step 2: Convert to fraction form
   2,820,406/4,296,688 = 4,296,688/x
3. Step 3: Cross multiply
   2,820,406x = 4,296,688 × 4,296,688
4. Step 4: Simplify right side
   2,820,406x = 18,461,527,769,344
5. Step 5: Solve for x
   x = 18,461,527,769,344/2,820,406
6. Step 6: Final answer
   x = 6,545,698.66