Finding the Third Proportional to 5,714,318 and 7,781,780

Step by Step Solution

1. Step 1: Write the proportion equation
   5,714,318 : 7,781,780 = 7,781,780 : x
2. Step 2: Convert to fraction form
   5,714,318/7,781,780 = 7,781,780/x
3. Step 3: Cross multiply
   5,714,318x = 7,781,780 × 7,781,780
4. Step 4: Simplify right side
   5,714,318x = 60,556,099,968,400
5. Step 5: Solve for x
   x = 60,556,099,968,400/5,714,318
6. Step 6: Final answer
   x = 10,597,257.62