Finding the Third Proportional to 118,437 and 259,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,437 : 259,015.50 = 259,015.50 : x
2. Step 2: Convert to fraction form
   118,437/259,015.50 = 259,015.50/x
3. Step 3: Cross multiply
   118,437x = 259,015.50 × 259,015.50
4. Step 4: Simplify right side
   118,437x = 67,089,029,240.25
5. Step 5: Solve for x
   x = 67,089,029,240.25/118,437
6. Step 6: Final answer
   x = 566,453.30