Finding the Third Proportional to 1,428,532 and 2,161,230

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,532 : 2,161,230 = 2,161,230 : x
2. Step 2: Convert to fraction form
   1,428,532/2,161,230 = 2,161,230/x
3. Step 3: Cross multiply
   1,428,532x = 2,161,230 × 2,161,230
4. Step 4: Simplify right side
   1,428,532x = 4,670,915,112,900
5. Step 5: Solve for x
   x = 4,670,915,112,900/1,428,532
6. Step 6: Final answer
   x = 3,269,730.82