Finding the Third Proportional to 3,706,524 and 8,121,636

Step by Step Solution

1. Step 1: Write the proportion equation
   3,706,524 : 8,121,636 = 8,121,636 : x
2. Step 2: Convert to fraction form
   3,706,524/8,121,636 = 8,121,636/x
3. Step 3: Cross multiply
   3,706,524x = 8,121,636 × 8,121,636
4. Step 4: Simplify right side
   3,706,524x = 65,960,971,316,496
5. Step 5: Solve for x
   x = 65,960,971,316,496/3,706,524
6. Step 6: Final answer
   x = 17,795,911.03