Finding the Third Proportional to 1,423,080 and 3,111,624

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423,080 : 3,111,624 = 3,111,624 : x
2. Step 2: Convert to fraction form
   1,423,080/3,111,624 = 3,111,624/x
3. Step 3: Cross multiply
   1,423,080x = 3,111,624 × 3,111,624
4. Step 4: Simplify right side
   1,423,080x = 9,682,203,917,376
5. Step 5: Solve for x
   x = 9,682,203,917,376/1,423,080
6. Step 6: Final answer
   x = 6,803,696.15