Finding the Third Proportional to 1,969,590 and 4,284,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969,590 : 4,284,272 = 4,284,272 : x
2. Step 2: Convert to fraction form
   1,969,590/4,284,272 = 4,284,272/x
3. Step 3: Cross multiply
   1,969,590x = 4,284,272 × 4,284,272
4. Step 4: Simplify right side
   1,969,590x = 18,354,986,569,984
5. Step 5: Solve for x
   x = 18,354,986,569,984/1,969,590
6. Step 6: Final answer
   x = 9,319,191.59