Finding the Third Proportional to 5,670,260 and 8,715,390

Step by Step Solution

1. Step 1: Write the proportion equation
   5,670,260 : 8,715,390 = 8,715,390 : x
2. Step 2: Convert to fraction form
   5,670,260/8,715,390 = 8,715,390/x
3. Step 3: Cross multiply
   5,670,260x = 8,715,390 × 8,715,390
4. Step 4: Simplify right side
   5,670,260x = 75,958,022,852,100
5. Step 5: Solve for x
   x = 75,958,022,852,100/5,670,260
6. Step 6: Final answer
   x = 13,395,862.42