Finding the Third Proportional to 1,679,142 and 3,623,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,679,142 : 3,623,636 = 3,623,636 : x
2. Step 2: Convert to fraction form
   1,679,142/3,623,636 = 3,623,636/x
3. Step 3: Cross multiply
   1,679,142x = 3,623,636 × 3,623,636
4. Step 4: Simplify right side
   1,679,142x = 13,130,737,860,496
5. Step 5: Solve for x
   x = 13,130,737,860,496/1,679,142
6. Step 6: Final answer
   x = 7,819,909.13