Finding the Third Proportional to 140,482.50 and 209,892

Step by Step Solution

1. Step 1: Write the proportion equation
   140,482.50 : 209,892 = 209,892 : x
2. Step 2: Convert to fraction form
   140,482.50/209,892 = 209,892/x
3. Step 3: Cross multiply
   140,482.50x = 209,892 × 209,892
4. Step 4: Simplify right side
   140,482.50x = 44,054,651,664
5. Step 5: Solve for x
   x = 44,054,651,664/140,482.50
6. Step 6: Final answer
   x = 313,595.30