Finding the Third Proportional to 3,651,594 and 7,880,556

Step by Step Solution

1. Step 1: Write the proportion equation
   3,651,594 : 7,880,556 = 7,880,556 : x
2. Step 2: Convert to fraction form
   3,651,594/7,880,556 = 7,880,556/x
3. Step 3: Cross multiply
   3,651,594x = 7,880,556 × 7,880,556
4. Step 4: Simplify right side
   3,651,594x = 62,103,162,869,136
5. Step 5: Solve for x
   x = 62,103,162,869,136/3,651,594
6. Step 6: Final answer
   x = 17,007,137.94