Finding the Third Proportional to 142,932 and 310,774.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,932 : 310,774.50 = 310,774.50 : x
2. Step 2: Convert to fraction form
   142,932/310,774.50 = 310,774.50/x
3. Step 3: Cross multiply
   142,932x = 310,774.50 × 310,774.50
4. Step 4: Simplify right side
   142,932x = 96,580,789,850.25
5. Step 5: Solve for x
   x = 96,580,789,850.25/142,932
6. Step 6: Final answer
   x = 675,711.46