Finding the Third Proportional to 3,412,782 and 7,468,380

Step by Step Solution

1. Step 1: Write the proportion equation
   3,412,782 : 7,468,380 = 7,468,380 : x
2. Step 2: Convert to fraction form
   3,412,782/7,468,380 = 7,468,380/x
3. Step 3: Cross multiply
   3,412,782x = 7,468,380 × 7,468,380
4. Step 4: Simplify right side
   3,412,782x = 55,776,699,824,400
5. Step 5: Solve for x
   x = 55,776,699,824,400/3,412,782
6. Step 6: Final answer
   x = 16,343,469.88