Finding the Third Proportional to 1,479,699 and 3,179,680

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479,699 : 3,179,680 = 3,179,680 : x
2. Step 2: Convert to fraction form
   1,479,699/3,179,680 = 3,179,680/x
3. Step 3: Cross multiply
   1,479,699x = 3,179,680 × 3,179,680
4. Step 4: Simplify right side
   1,479,699x = 10,110,364,902,400
5. Step 5: Solve for x
   x = 10,110,364,902,400/1,479,699
6. Step 6: Final answer
   x = 6,832,717.26