Finding the Third Proportional to 3,390,350 and 8,001,740

Step by Step Solution

1. Step 1: Write the proportion equation
   3,390,350 : 8,001,740 = 8,001,740 : x
2. Step 2: Convert to fraction form
   3,390,350/8,001,740 = 8,001,740/x
3. Step 3: Cross multiply
   3,390,350x = 8,001,740 × 8,001,740
4. Step 4: Simplify right side
   3,390,350x = 64,027,843,027,600
5. Step 5: Solve for x
   x = 64,027,843,027,600/3,390,350
6. Step 6: Final answer
   x = 18,885,319.52