Finding the Third Proportional to 1,422,798 and 2,170,332

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422,798 : 2,170,332 = 2,170,332 : x
2. Step 2: Convert to fraction form
   1,422,798/2,170,332 = 2,170,332/x
3. Step 3: Cross multiply
   1,422,798x = 2,170,332 × 2,170,332
4. Step 4: Simplify right side
   1,422,798x = 4,710,340,990,224
5. Step 5: Solve for x
   x = 4,710,340,990,224/1,422,798
6. Step 6: Final answer
   x = 3,310,618.23