Finding the Third Proportional to 5,720,656 and 8,393,968

Step by Step Solution

1. Step 1: Write the proportion equation
   5,720,656 : 8,393,968 = 8,393,968 : x
2. Step 2: Convert to fraction form
   5,720,656/8,393,968 = 8,393,968/x
3. Step 3: Cross multiply
   5,720,656x = 8,393,968 × 8,393,968
4. Step 4: Simplify right side
   5,720,656x = 70,458,698,785,024
5. Step 5: Solve for x
   x = 70,458,698,785,024/5,720,656
6. Step 6: Final answer
   x = 12,316,541.81