Finding the Third Proportional to 1,679,908 and 3,686,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,679,908 : 3,686,432 = 3,686,432 : x
2. Step 2: Convert to fraction form
   1,679,908/3,686,432 = 3,686,432/x
3. Step 3: Cross multiply
   1,679,908x = 3,686,432 × 3,686,432
4. Step 4: Simplify right side
   1,679,908x = 13,589,780,890,624
5. Step 5: Solve for x
   x = 13,589,780,890,624/1,679,908
6. Step 6: Final answer
   x = 8,089,598.29