Finding the Third Proportional to 118,238.63 and 259,472.25

Step by Step Solution

1. Step 1: Write the proportion equation
   118,238.63 : 259,472.25 = 259,472.25 : x
2. Step 2: Convert to fraction form
   118,238.63/259,472.25 = 259,472.25/x
3. Step 3: Cross multiply
   118,238.63x = 259,472.25 × 259,472.25
4. Step 4: Simplify right side
   118,238.63x = 67,325,848,520.06
5. Step 5: Solve for x
   x = 67,325,848,520.06/118,238.63
6. Step 6: Final answer
   x = 569,406.56