Finding the Third Proportional to 1,543,172 and 3,380,564

Step by Step Solution

1. Step 1: Write the proportion equation
   1,543,172 : 3,380,564 = 3,380,564 : x
2. Step 2: Convert to fraction form
   1,543,172/3,380,564 = 3,380,564/x
3. Step 3: Cross multiply
   1,543,172x = 3,380,564 × 3,380,564
4. Step 4: Simplify right side
   1,543,172x = 11,428,212,958,096
5. Step 5: Solve for x
   x = 11,428,212,958,096/1,543,172
6. Step 6: Final answer
   x = 7,405,663.76