Finding the Third Proportional to 11,787,320 and 18,201,684

Step by Step Solution

1. Step 1: Write the proportion equation
   11,787,320 : 18,201,684 = 18,201,684 : x
2. Step 2: Convert to fraction form
   11,787,320/18,201,684 = 18,201,684/x
3. Step 3: Cross multiply
   11,787,320x = 18,201,684 × 18,201,684
4. Step 4: Simplify right side
   11,787,320x = 331,301,300,435,856
5. Step 5: Solve for x
   x = 331,301,300,435,856/11,787,320
6. Step 6: Final answer
   x = 28,106,584.06