Finding the Third Proportional to 118,785 and 252,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,785 : 252,145.50 = 252,145.50 : x
2. Step 2: Convert to fraction form
   118,785/252,145.50 = 252,145.50/x
3. Step 3: Cross multiply
   118,785x = 252,145.50 × 252,145.50
4. Step 4: Simplify right side
   118,785x = 63,577,353,170.25
5. Step 5: Solve for x
   x = 63,577,353,170.25/118,785
6. Step 6: Final answer
   x = 535,230.49