Finding the Third Proportional to 5,730,729 and 8,573,400

Step by Step Solution

1. Step 1: Write the proportion equation
   5,730,729 : 8,573,400 = 8,573,400 : x
2. Step 2: Convert to fraction form
   5,730,729/8,573,400 = 8,573,400/x
3. Step 3: Cross multiply
   5,730,729x = 8,573,400 × 8,573,400
4. Step 4: Simplify right side
   5,730,729x = 73,503,187,560,000
5. Step 5: Solve for x
   x = 73,503,187,560,000/5,730,729
6. Step 6: Final answer
   x = 12,826,149.62