Finding the Third Proportional to 118,959 and 261,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,959 : 261,574.50 = 261,574.50 : x
2. Step 2: Convert to fraction form
   118,959/261,574.50 = 261,574.50/x
3. Step 3: Cross multiply
   118,959x = 261,574.50 × 261,574.50
4. Step 4: Simplify right side
   118,959x = 68,421,219,050.25
5. Step 5: Solve for x
   x = 68,421,219,050.25/118,959
6. Step 6: Final answer
   x = 575,166.39