Finding the Third Proportional to 141,671 and 213,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,671 : 213,870.50 = 213,870.50 : x
2. Step 2: Convert to fraction form
   141,671/213,870.50 = 213,870.50/x
3. Step 3: Cross multiply
   141,671x = 213,870.50 × 213,870.50
4. Step 4: Simplify right side
   141,671x = 45,740,590,770.25
5. Step 5: Solve for x
   x = 45,740,590,770.25/141,671
6. Step 6: Final answer
   x = 322,864.88