Finding the Third Proportional to 3,367,899 and 7,381,611

Step by Step Solution

1. Step 1: Write the proportion equation
   3,367,899 : 7,381,611 = 7,381,611 : x
2. Step 2: Convert to fraction form
   3,367,899/7,381,611 = 7,381,611/x
3. Step 3: Cross multiply
   3,367,899x = 7,381,611 × 7,381,611
4. Step 4: Simplify right side
   3,367,899x = 54,488,180,955,321
5. Step 5: Solve for x
   x = 54,488,180,955,321/3,367,899
6. Step 6: Final answer
   x = 16,178,686.16