Finding the Third Proportional to 12,391,111.69 and 17,418,607.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,391,111.69 : 17,418,607.03 = 17,418,607.03 : x
2. Step 2: Convert to fraction form
   12,391,111.69/17,418,607.03 = 17,418,607.03/x
3. Step 3: Cross multiply
   12,391,111.69x = 17,418,607.03 × 17,418,607.03
4. Step 4: Simplify right side
   12,391,111.69x = 303,407,870,909,111.94
5. Step 5: Solve for x
   x = 303,407,870,909,111.94/12,391,111.69
6. Step 6: Final answer
   x = 24,485,928.18