Finding the Third Proportional to 11,904,455 and 17,810,389

Step by Step Solution

1. Step 1: Write the proportion equation
   11,904,455 : 17,810,389 = 17,810,389 : x
2. Step 2: Convert to fraction form
   11,904,455/17,810,389 = 17,810,389/x
3. Step 3: Cross multiply
   11,904,455x = 17,810,389 × 17,810,389
4. Step 4: Simplify right side
   11,904,455x = 317,209,956,331,321
5. Step 5: Solve for x
   x = 317,209,956,331,321/11,904,455
6. Step 6: Final answer
   x = 26,646,323.27