Finding the Third Proportional to 2,609,820 and 5,749,440

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,820 : 5,749,440 = 5,749,440 : x
2. Step 2: Convert to fraction form
   2,609,820/5,749,440 = 5,749,440/x
3. Step 3: Cross multiply
   2,609,820x = 5,749,440 × 5,749,440
4. Step 4: Simplify right side
   2,609,820x = 33,056,060,313,600
5. Step 5: Solve for x
   x = 33,056,060,313,600/2,609,820
6. Step 6: Final answer
   x = 12,666,030.73