Finding the Third Proportional to 3,477,978 and 7,573,742

Step by Step Solution

1. Step 1: Write the proportion equation
   3,477,978 : 7,573,742 = 7,573,742 : x
2. Step 2: Convert to fraction form
   3,477,978/7,573,742 = 7,573,742/x
3. Step 3: Cross multiply
   3,477,978x = 7,573,742 × 7,573,742
4. Step 4: Simplify right side
   3,477,978x = 57,361,567,882,564
5. Step 5: Solve for x
   x = 57,361,567,882,564/3,477,978
6. Step 6: Final answer
   x = 16,492,792.04