Finding the Third Proportional to 118,956 and 261,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,956 : 261,568.50 = 261,568.50 : x
2. Step 2: Convert to fraction form
   118,956/261,568.50 = 261,568.50/x
3. Step 3: Cross multiply
   118,956x = 261,568.50 × 261,568.50
4. Step 4: Simplify right side
   118,956x = 68,418,080,192.25
5. Step 5: Solve for x
   x = 68,418,080,192.25/118,956
6. Step 6: Final answer
   x = 575,154.51