Finding the Third Proportional to 12,353,071 and 17,820,937

Step by Step Solution

1. Step 1: Write the proportion equation
   12,353,071 : 17,820,937 = 17,820,937 : x
2. Step 2: Convert to fraction form
   12,353,071/17,820,937 = 17,820,937/x
3. Step 3: Cross multiply
   12,353,071x = 17,820,937 × 17,820,937
4. Step 4: Simplify right side
   12,353,071x = 317,585,795,557,969
5. Step 5: Solve for x
   x = 317,585,795,557,969/12,353,071
6. Step 6: Final answer
   x = 25,709,056.12