Finding the Third Proportional to 1,543,170 and 3,380,560

Step by Step Solution

1. Step 1: Write the proportion equation
   1,543,170 : 3,380,560 = 3,380,560 : x
2. Step 2: Convert to fraction form
   1,543,170/3,380,560 = 3,380,560/x
3. Step 3: Cross multiply
   1,543,170x = 3,380,560 × 3,380,560
4. Step 4: Simplify right side
   1,543,170x = 11,428,185,913,600
5. Step 5: Solve for x
   x = 11,428,185,913,600/1,543,170
6. Step 6: Final answer
   x = 7,405,655.83