Finding the Third Proportional to 89,704 and 140,730

Step by Step Solution

1. Step 1: Write the proportion equation
   89,704 : 140,730 = 140,730 : x
2. Step 2: Convert to fraction form
   89,704/140,730 = 140,730/x
3. Step 3: Cross multiply
   89,704x = 140,730 × 140,730
4. Step 4: Simplify right side
   89,704x = 19,804,932,900
5. Step 5: Solve for x
   x = 19,804,932,900/89,704
6. Step 6: Final answer
   x = 220,780.93