Finding the Third Proportional to 118,493.75 and 259,155.25

Step by Step Solution

1. Step 1: Write the proportion equation
   118,493.75 : 259,155.25 = 259,155.25 : x
2. Step 2: Convert to fraction form
   118,493.75/259,155.25 = 259,155.25/x
3. Step 3: Cross multiply
   118,493.75x = 259,155.25 × 259,155.25
4. Step 4: Simplify right side
   118,493.75x = 67,161,443,602.56
5. Step 5: Solve for x
   x = 67,161,443,602.56/118,493.75
6. Step 6: Final answer
   x = 566,793.13