Finding the Third Proportional to 1,540,686 and 3,435,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540,686 : 3,435,432 = 3,435,432 : x
2. Step 2: Convert to fraction form
   1,540,686/3,435,432 = 3,435,432/x
3. Step 3: Cross multiply
   1,540,686x = 3,435,432 × 3,435,432
4. Step 4: Simplify right side
   1,540,686x = 11,802,193,026,624
5. Step 5: Solve for x
   x = 11,802,193,026,624/1,540,686
6. Step 6: Final answer
   x = 7,660,349.37