Finding the Third Proportional to 11,885,636 and 17,856,844

Step by Step Solution

1. Step 1: Write the proportion equation
   11,885,636 : 17,856,844 = 17,856,844 : x
2. Step 2: Convert to fraction form
   11,885,636/17,856,844 = 17,856,844/x
3. Step 3: Cross multiply
   11,885,636x = 17,856,844 × 17,856,844
4. Step 4: Simplify right side
   11,885,636x = 318,866,877,640,336
5. Step 5: Solve for x
   x = 318,866,877,640,336/11,885,636
6. Step 6: Final answer
   x = 26,827,918.81