Finding the Third Proportional to 5,839,848 and 7,811,640

Step by Step Solution

1. Step 1: Write the proportion equation
   5,839,848 : 7,811,640 = 7,811,640 : x
2. Step 2: Convert to fraction form
   5,839,848/7,811,640 = 7,811,640/x
3. Step 3: Cross multiply
   5,839,848x = 7,811,640 × 7,811,640
4. Step 4: Simplify right side
   5,839,848x = 61,021,719,489,600
5. Step 5: Solve for x
   x = 61,021,719,489,600/5,839,848
6. Step 6: Final answer
   x = 10,449,196.54