Finding the Third Proportional to 89,810 and 140,475

Step by Step Solution

1. Step 1: Write the proportion equation
   89,810 : 140,475 = 140,475 : x
2. Step 2: Convert to fraction form
   89,810/140,475 = 140,475/x
3. Step 3: Cross multiply
   89,810x = 140,475 × 140,475
4. Step 4: Simplify right side
   89,810x = 19,733,225,625
5. Step 5: Solve for x
   x = 19,733,225,625/89,810
6. Step 6: Final answer
   x = 219,721.92