Finding the Third Proportional to 142,860 and 338,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,860 : 338,452.50 = 338,452.50 : x
2. Step 2: Convert to fraction form
   142,860/338,452.50 = 338,452.50/x
3. Step 3: Cross multiply
   142,860x = 338,452.50 × 338,452.50
4. Step 4: Simplify right side
   142,860x = 114,550,094,756.25
5. Step 5: Solve for x
   x = 114,550,094,756.25/142,860
6. Step 6: Final answer
   x = 801,834.63