Finding the Third Proportional to 2,172,547 and 3,286,777

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,547 : 3,286,777 = 3,286,777 : x
2. Step 2: Convert to fraction form
   2,172,547/3,286,777 = 3,286,777/x
3. Step 3: Cross multiply
   2,172,547x = 3,286,777 × 3,286,777
4. Step 4: Simplify right side
   2,172,547x = 10,802,903,047,729
5. Step 5: Solve for x
   x = 10,802,903,047,729/2,172,547
6. Step 6: Final answer
   x = 4,972,460.00