Finding the Third Proportional to 3,739,958 and 8,078,020

Step by Step Solution

1. Step 1: Write the proportion equation
   3,739,958 : 8,078,020 = 8,078,020 : x
2. Step 2: Convert to fraction form
   3,739,958/8,078,020 = 8,078,020/x
3. Step 3: Cross multiply
   3,739,958x = 8,078,020 × 8,078,020
4. Step 4: Simplify right side
   3,739,958x = 65,254,407,120,400
5. Step 5: Solve for x
   x = 65,254,407,120,400/3,739,958
6. Step 6: Final answer
   x = 17,447,898.38