Finding the Third Proportional to 118,512 and 259,195.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,512 : 259,195.50 = 259,195.50 : x
2. Step 2: Convert to fraction form
   118,512/259,195.50 = 259,195.50/x
3. Step 3: Cross multiply
   118,512x = 259,195.50 × 259,195.50
4. Step 4: Simplify right side
   118,512x = 67,182,307,220.25
5. Step 5: Solve for x
   x = 67,182,307,220.25/118,512
6. Step 6: Final answer
   x = 566,881.90