Finding the Third Proportional to 118,445.75 and 259,034.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,445.75 : 259,034.50 = 259,034.50 : x
2. Step 2: Convert to fraction form
   118,445.75/259,034.50 = 259,034.50/x
3. Step 3: Cross multiply
   118,445.75x = 259,034.50 × 259,034.50
4. Step 4: Simplify right side
   118,445.75x = 67,098,872,190.25
5. Step 5: Solve for x
   x = 67,098,872,190.25/118,445.75
6. Step 6: Final answer
   x = 566,494.55