Finding the Third Proportional to 3,586,862 and 7,759,840

Step by Step Solution

1. Step 1: Write the proportion equation
   3,586,862 : 7,759,840 = 7,759,840 : x
2. Step 2: Convert to fraction form
   3,586,862/7,759,840 = 7,759,840/x
3. Step 3: Cross multiply
   3,586,862x = 7,759,840 × 7,759,840
4. Step 4: Simplify right side
   3,586,862x = 60,215,116,825,600
5. Step 5: Solve for x
   x = 60,215,116,825,600/3,586,862
6. Step 6: Final answer
   x = 16,787,687.07