Finding the Third Proportional to 118,681.86 and 259,874.71

Step by Step Solution

1. Step 1: Write the proportion equation
   118,681.86 : 259,874.71 = 259,874.71 : x
2. Step 2: Convert to fraction form
   118,681.86/259,874.71 = 259,874.71/x
3. Step 3: Cross multiply
   118,681.86x = 259,874.71 × 259,874.71
4. Step 4: Simplify right side
   118,681.86x = 67,534,863,164.25
5. Step 5: Solve for x
   x = 67,534,863,164.25/118,681.86
6. Step 6: Final answer
   x = 569,041.17