Finding the Third Proportional to 3,699,698 and 8,069,947

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699,698 : 8,069,947 = 8,069,947 : x
2. Step 2: Convert to fraction form
   3,699,698/8,069,947 = 8,069,947/x
3. Step 3: Cross multiply
   3,699,698x = 8,069,947 × 8,069,947
4. Step 4: Simplify right side
   3,699,698x = 65,124,044,582,809
5. Step 5: Solve for x
   x = 65,124,044,582,809/3,699,698
6. Step 6: Final answer
   x = 17,602,529.88