Finding the Third Proportional to 140,850 and 218,425.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,850 : 218,425.50 = 218,425.50 : x
2. Step 2: Convert to fraction form
   140,850/218,425.50 = 218,425.50/x
3. Step 3: Cross multiply
   140,850x = 218,425.50 × 218,425.50
4. Step 4: Simplify right side
   140,850x = 47,709,699,050.25
5. Step 5: Solve for x
   x = 47,709,699,050.25/140,850
6. Step 6: Final answer
   x = 338,727.01