Finding the Third Proportional to 3,553,740 and 7,674,890

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553,740 : 7,674,890 = 7,674,890 : x
2. Step 2: Convert to fraction form
   3,553,740/7,674,890 = 7,674,890/x
3. Step 3: Cross multiply
   3,553,740x = 7,674,890 × 7,674,890
4. Step 4: Simplify right side
   3,553,740x = 58,903,936,512,100
5. Step 5: Solve for x
   x = 58,903,936,512,100/3,553,740
6. Step 6: Final answer
   x = 16,575,195.85