Finding the Third Proportional to 3,549,447 and 7,770,600

Step by Step Solution

1. Step 1: Write the proportion equation
   3,549,447 : 7,770,600 = 7,770,600 : x
2. Step 2: Convert to fraction form
   3,549,447/7,770,600 = 7,770,600/x
3. Step 3: Cross multiply
   3,549,447x = 7,770,600 × 7,770,600
4. Step 4: Simplify right side
   3,549,447x = 60,382,224,360,000
5. Step 5: Solve for x
   x = 60,382,224,360,000/3,549,447
6. Step 6: Final answer
   x = 17,011,727.28